ncat JR6 Calcite, Moeraki Point, Otago Region, New Zealand
Pink fluorescing scalenohedral calcite crystals. Width of view 9mm. Stack of 30 images. Click on the image below for a higher resolution version.
Pink fluorescing scalenohedral calcite crystals. Width of view 9mm. Stack of 30 images. Click on the image below for a higher resolution version.
A bed of natrolite needles on phillipsite with a few small calcite crystals. There are a couple of even smaller highly lustrous chabazite crystals perched on natrolite. Width of view 6mm. Stack of 135 images....
A selection of dull greyish-blue anatase crystals from Carapooee, showing the common dipyramidal forms. There is some abrasion and iron-staining. Width of view 6mm. Stack of 48 images. Click on the image below for a...
Prismatic natrolite on analcime crystals. Width of view 6mm. Stack of 80 images. Click on the image below for a higher resolution version.
Crystal clear twinned phillipsite showing the interesting nontronite background. A couple of long thin erionite crystals also present. Width of view 4.5mm. Stack of 45 images. Click on the image below for a higher resolution...
An arch comprised of mostly chabazite crystals with a small amount of bladed thomsonite. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
Natrolite prisms growing from the base of bladed thomsonite. At first, I thought that the natrolite terminations were coated in hyalite opal, with that typical blobby look. But when you look down on the terminations,...
Not sure of the chemistry here, but it appears to be pyrite altered to goethite, then partially altering to hematite. Or possibly the other way round. All with a bit of relict quartz. Ex Jo...
White hexagonal hedyphane crystals that fluoresces orange, with yellow-green prismatic austinite crystals. Minor calcite, more evident in the UV photo. Width of view 6mm. Stack of 50 images (white light) and 16 images (UV). Click...
Pseudo-octahedral grey crystals of hausmannite. Ex Leon Schmidt. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
Bladed hausmannite looking like hematite with brown calcite. Ex Barry Schubert Collection. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Grungy brown coating of hausmannite over alabandite. Width of view 6.5mm. Stack of 20 images. Click on the image below for a higher resolution version. Older photo…
Dark green to black hastingsite with purple fluorite and calcite that fluoresces orange. Width of view 6.5mm. Stack of 20 images. Click on the image below for a higher resolution version.
Three pieces. Photo shows red-violet hardystonite(?), orange-red sphalerite, greenish-yellow smithsonite(?) and unknown bluish-white mineral. Longwave ultraviolet light. Width of view 2.5mm. Stack of 22 images. Click on the image for a higher resolution version.
Twinned harmotome, including “drill bit” habit. Width of view 2.5mm. Stack of 25 images. Click on the image below for a higher resolution version.
An aesthetic and really interesting specimen. Four well-formed cuprite crystals with tiny green brochantite crystals and blue connellite puffballs, sitting on a bed of white smithsonite stained by goethite. Then under longwave UV, you can...
Tiny tan crystals from the Type Locality. Width of view 7.25mm. Stack of 40 images. Click on the image below for a higher resolution version.
Fibrous white halotrichite with orange-red botryogen. The small yellow areas are possibly melanterite, or another sulphate. Ex Jo Price Collection. Width of view 14.5mm. Stack of 45 images. Click on the image below for a...
An efflorescence in a gel capsule. White halotrichite and pale yellow melanterite. Identified by Ralph Bottrill. Width of view 7.25mm. Stack of 50 images. Click on the image below for a higher resolution version.
Tiny white areas of halloysite on dark green atacamite. Ex Mal Annells Collection. Width of view 14.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Thin orange plates of wulfenite with yellow-green rounded pyromorphite, and tiny sharp olive-green fornacite crystals on bluish-white halloysite. Ex Jo Price Collection. Width of view 14.5mm. Stack of 90 images. Click on the image below...
A close up photo of the specimen Judy Rowe uploaded to Mindat in 2014 (https://www.mindat.org/photo-615149.html). The pink colour has disappeared. That is because it is caused by a bacteria, and that bacteria has gone on...
Colourless hoppered halite crystals. Ex Jo Price Collection. Width of view 14.5mm. Stack of 45 images. Click on the image for a higher resolution version.
White (was very pale pink) partially dissolved halite, highly fluorescent white. Width of view 14.5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Better-known for its green gypsum, this locality also occasionally produces little surprises like this one. Halite cubes perched on the termination of a gypsum crystal. Ex Joan Lamond Micro Collection. Height of view 9.7mm. Stack...
A cluster of colourless to white cubes. Ex Jo Price Collection. Width of view 14.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Crude cubes of halite found on the protected underside of a piece of broken crockery at a location known as “Treasure Beach”. Here, broken crockery and glass had been dumped in the early days of...
Colourless cubes with a slightly melted look. Width of view 14.4mm. Stack of 42 images. Click on the image below for a higher resolution version.
A classic and really cute example of epitaxy. Chalcopyrite epitaxial on a sphalerite crystal. And to add to the cuteness, there are some tiny tetrahedrite crystals bottom left of photo. Width of view 6mm. Stack...
Colourless, pale blue and pale green fluorapatite. Dark brownish-red andradite. Dark green diopside. Brownish black allanite-(Ce), variety bagrationite. Ex Costas Constantinides. Click on the images below for a higher resolution version.
White albite growing epitaxially on orange orthoclase with smoky quartz. Width of view 6mm. Click on the image below for a higher resolution version.
Tiny sprays of post-mining gypsum crystals collected on the dumps. Look closely and you can some fishtail twins (eg: near the centre of the photo). Width of view 9mm. Stack of 55 images. Click on...
Prismatic colourless crystals of gypsum. Ex Jo Price Collection. Width of view 11.5mm. Stack of 100 images. Click on the image below for a higher resolution version.
Interpenetrant gypsum crystals. Collected during roadworks. Largest crystal is 27mm long. Click on the image below for a higher resolution version.
Gypsum crystals on secondary copper mineral (chrysocolla?). Ex Lesley and Doug Ball Collection. Width of view 7.75mm. Stack of 45 images. Click on the image below for a higher resolution version.
A brownish-grey gypsum rose with a white UV reaction. Ex Margaret Brown Collection. Margaret purchased this specimen in 1983 in Broken Hill. Labelled simply Maryborough, Queensland. There is some doubt that it may not be...
Colourless gypsum crystals with a white granular coating. Width of view 7.75mm. Stack of 85 images. Click on the image below for a higher resolution version.
Cream ball of gyrolite with white tacharanite on colourless phillipsite. Width of view 7.75mm. Stack of 80 images. Click on the image below for a higher resolution version.
Elongated orange-brown grossular garnet. Ex Judy Rowe Collection. Width of view 9mm. Stack of 35 images. Click on the image below for a higher resolution version.
Orange grossular (hessonite) garnets. Ex John and Betty Weir. Width of view 7.75mm. Stack of 40 images. Click on the image below for a higher resolution version.
Tiny off-white scheelite crystals (not in photo) and pale green grossular garnets. Width of view 7.75mm. Stack of 50 images. Click on the image below for a higher resolution version.
Olive-green crystal of grossular garnet. Ex Jo Price Collection. Width of view 7.75mm. Stack of 30 images. Click on the image below for a higher resolution version.
Small grey-green grossular garnets with white wollastonite and yellow-orange vesuvianite. Width of view 7.75mm. Stack of 35 images. Click on the image below for a higher resolution version.
Olivine-green crude crystals of grossular embedded in magnetite. Width of view 7.75mm. Stack of 30 images. Click on the image below for a higher resolution version.
Brown grossular garnet with blue chrysocolla. Width of view 7.75mm. Stack of 40 images. Click on the image below for a higher resolution version.
Small quartz crystals on olive-green to brown grossular garnets. Width of view 7.75mm. Stack of 55 images. Click on the image below for a higher resolution version.
Green chrome-rich grossular garnet crystals. Width of view 7.75mm. Stack of 50 images. Click on the image below for a higher resolution version.
An aesthetic parallel growth of copper crystals. Ex Charles Willett Collection. Width of specimen 7mm. Stack of 30 images. Click on the image below for a higher resolution verion.
Multiple generations of calcite with siderite, and some of the calcite fluoresces strongly red. One habit is white “Christmas trees”. Width of view 5.5mm. Stack of 28 images. Click on the image below for a...
A nice group of bournonite crystals perched on brassy arsenopyrite and dark sphalerite crystals. Quartz crystals on specimen but not in photo. Height of view 5mm. Stack of 48 images. Click on the image below...
A single sharp green libethenite crystal with a spray of lighter green ulrichite, on a bed of green chalcosiderite crystals. Height of view 2.5mm. Stack of 45 images. Click on the image below for a...
Tiny colourless crystalline balls of variscite. Width of view 2.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Platy green crystals on smoky quartz. Most are much thinner than the one in the photo. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Natrolite perched on other natrolite crystals, on analcime. Red gmelinite coloured by hematite. Ex Bernie Day Collection. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
White “snowflakes” with grey centres. Ex Dick Dufton. Width of view 8mm. Stack of 60 images. Click on the image below for a higher resolution version.
Lustrous red pseudobrookite crystals with yellow transparent enstatite crystals. The lustre is so good you can clearly see the reflections of other crystals. Ex Dick Haslam Collection. Width of view 2.5mm. Stack of 40 images....
Lustrous dark brown pseudobrookite crystals with yellow transparent enstatite crystals. Ex Dick Haslam Collection. Width of view 6.25mm. Stack of 40 images. Click on the image below for a higher resolution version.
Lustrous brown pseudobrookite crystals with yellow transparent enstatite crystals. One very thin apatite needle is also present. Ex Dick Haslam Collection. Width of view 2.5mm. Stack of 20 images. Click on the image below for...
Lustrous brown pseudobrookite crystals with tiny yellow transparent enstatite crystals. The larger pseudobrookite crystal has a slight “bend” in it. Hematite is out of view of this photo. Ex Dick Haslam Collection. Width of view...
Dark red prismatic carminite with yellow-green beudantite-segnitite. Width of view 5mm. Stack of 18 images. Click on the image below for a higher resolution version.
A twinned yellow crystal on gossan. There looks to be a possible arsenopyrite crystal that perhaps the cerussite seeded on. Width of view 9mm. Stack of 25 images. Click on the image below for a...
Red parallel growth realgar with tiny orange orpiment patches. Ex Trevor Hocking. Width of view 6.75mm. Stack of 40 images. Click on the image below for a higher resolution version.
Green partial coating on sphalerite crystals on dolomite. Width of view 9mm. Stack of 40 images. Off white fluorescence under longwave ultraviolet may be calcite partially coating dolomite. Click on the image below for a...
Purplish-grey grimaldiite in a crocoite vugh. Width of view 9mm. Stack of 35 images. Click on the image below for a higher resolution version.
Yellow exsolution of greenockite-hawleyite on sphalerite. Width of view 9mm. Stack of 30 images. Click on the image below for a higher resolution version.
Greenockite as a yellow coating/exsolution on sphalerite crystals. Some tiny orange crystals of greenockite evident particularly in the bottom left-hand quadrant (zoom in to explore). Width of view 7.75mm. Stack of 40 images. Click on...
A small fragment of goslarite showing some tiny crystals. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
A small spray of graphite crystals. Width of view 6mm. Stack of 25 images. Click on the image below for a higher resolution version.
Fragments of nodules analysed as containing goyazite, hematite and apatite. Width of view 7.75mm. Stack of 30 images.
Iridescent siderite with hexagonal chabazite-Na crystals. Also present very thin long apatite needles. Width of view 3mm. Stack of 45 images. Click on the image below for a higher resolution version.
A cluster of sulphur crystals with globular hyalite opal. Width of view 7.75mm wide. Stack of 65 images. Click on the image below for a higher resolution version.
Doubly-terminated hoppered crystal of sulphur 14.5mm wide, no matrix. Stack of 60 images. Click on the image below for a higher resolution version.
Sharply-terminated crystal of sulphur with interesting growth patterns 11.5mm tall, no matrix. Stack of 30 images. Click on the image below for a higher resolution version.
Doubly-terminated “herringbone” crystal of sulphur 16.5mm wide, no matrix. Stack of 38 images. Click on the image below for a higher resolution version.
Doubly-terminated hoppered group of crystals of sulphur 17.25mm wide, no matrix. Stack of 68 images. Click on the image below for a higher resolution version.
Doubly-terminated hoppered crystal of sulphur 22mm wide, no matrix. Stack of 55 images. Click on the image below for a higher resolution version.
A tiny group of sulphur crystals on sinter. Width of view 6mm. Stack of 38 images. Click on the image below for a higher resolution version.
Orthorhombic crystals. Width of view 6mm. Stack of 30 images. Click on the image below for a higher resolution version.
Beads of hyalite on sinter. Width of view 6mm. Stack of 50 images. Click on the image below for a higher resolution version.
A tiny group of sulphur crystals on sinter. Width of view 6mm. Stack of 70 images. Click on the image below for a higher resolution version.
Filiform pyrite with a few right angle bends. Also present is a brown chlorite(?). Both sit on two generations of calcite crystals, the first colourless, the second golden. Ex Brent Torrens. Width of view 3mm....
A radial cluster of pyrite crystals that have grown in a tight area. Ex Joan Lamond Collection. Width of view 8mm. Stack of 40 images. Click on the image below for a higher resolution version.
Spherical brown siderite on heulandite. Width of view 3.5mm. Stack of 28 images. Click on the image below for a higher resolution version.
Colourless to white tabular heulandite crystals with colourless sprays of gypsum. The heulandite crystals have dark blue cores giving the crystals a bluish hue. Width of view 3.5mm. Stack of 35 images. Click on the...
Tiny transparent crystals. Ex Vince Peisley. Width of view 3.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
From the mine best known for its crocoite comes a rarer occurrence, zoned mimetite crystals. There are interesting rounded surface features too. Probably where the mimetite was attached to ferro-manganese oxides. Hexagonal prisms of zoned...
A group of cube-octahedral galena crystals with hoppered faces. Width of view 8mm. Stack of 45 images. Click on the image below for a higher resolution version.
Olive green cubes partially coated by goethite. Width of view 3.5mm. Stack of 32 images. Click on the image below for a higher resolution version.
A mass of acicular metallic wires on quartz. Ex John Haupt. Width of view 5.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Iridescent stannite, no crystals. Ex David J. Eicher Collection, Wisconsin. Ex John H. Eicher Collection. Width of view 5.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Transparent green hexagonal prisms, some zoned. Width of view 3.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
My first ever mineral specimen. I found this panning Anderson’s Creek in 1980 and it is still in my collection. Although the ‘nugget’ is only 2.5mm on its longest dimension, it is cute and reminds...
Yellow crystals in a variety of habits. Width of view 3.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Acicular intergrowth of white gonnardite-natrolite on grey botryoidal thomsonite-Ca. Width of view 3.5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Pale fluorite over earlier darker fluorite with iron stained quartz crystals. Width of view 5.5mm. Stack of 92 images. Click on the image below for a higher resolution version.
Hexagonal crystal of molybdenite. Width of view 5.5mm. Stack of 34 images. Click on the image below for a higher resolution version.
Cassiterite in greisen. Collected in 1971. Specimen measures 80x55x35mm.
A waterworn bluish topaz 24mm wide.
A small gold nugget. Ex Joan Lamond Collection. Acquired by Joan from Peter Cole for $6 in 1987. Width of view 9mm. Stack of 60 images. Click on the image below for a higher resolution...
Two small rounded nuggets. Width of view 18mm. Stack of 46 images. Click on the image below for a higher resolution version.
Thin gold patches smeared on hematite matrix. Width of view 9mm. Stack of 60 images. Click on the image below for a higher resolution version.
Small patches of gold in ironstone matrix. Ex Joan Lamond Collection. Acquired by Joan in 1996 from John Toma. Width of view 9mm. Stack of 45 images. Click on the image below for a higher...
Leaf gold with an embedded quartz crystal. Ex Brian Shelton. Width of view 9mm. Stack of 75 images. Click on the image below for a higher resolution version.
Thin leaf gold in quartz. Width of view 11.5mm. Stack of 44 images. Click on the image below for a higher resolution version.
A tiny bit of gold in matrix (centre of image). Ex Bernie and Margaret Day Collection. Width of view 3.5mm. Stack of 20 images. Click on the image below for a higher resolution version.
Dendritic crystalline gold. Ex Bernie and Margaret Day Collection. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Labelled as Union Mine, included in Golden Gully Area in Mindat. Thin hackly leaf gold in quartz. Ex D.J. Parsons Collection, Rapid City, South Dakota. Width of view 9mm. Stack of 49 images. Click on...
Labelled as Union Mine, included in Golden Gully Area in Mindat. Thin crystalline leaf gold in quartz. Ex D.J. Parsons Collection, Rapid City, South Dakota. Width of view 9mm. Stack of 122 images. Click on...
A tiny area of gold. Gold from this location is rare, small, and hard to find! There is a second, even smaller, piece of gold on the specimen that I didn’t pick up until I...
Beautiful branching gold crystals on galena and quartz. Width of view 6.75mm. Stack of 68 images. Click on the image below for a higher resolution version.
Tiny grains of gold in quartz, associated with native bismuth, bismuthinite and greenish namibite-beyerite. Ex Bernie Day Collection. Width of view 7mm. Stack of 41 images. Click on the image below for a higher resolution...
Patchy gold in iron-stained quartz. Ex Chris Ah Yee. Width of view 11.5mm. Stack of 62 images. Click on the image below for a higher resolution version.
Dendritic crystalline gold without matrix. Precise mine not known. Ex Joan Lamond Collection. Aquired by Joan from Norman Robinson in 1986 at the Loxton Gemboree, South Australia, for $5. Width of view 5.75mm. Stack of...
Labelled “Nhillinghoo”. Should be spelled Nillinghoo. Probably from Kirkeeks. Gold in goethite. Width of view 5.75mm. Stack of 53 images. Click on the image below for a higher resolution version.
Small gold pieces in serpentine. Ex Joan Lamond Collection. Ex Museum Victoria. Width of view 5.75mm. Stack of 41 images. Click on the image below for a higher resolution version.
Small bits of gold on galena and quartz. It is possible that other sulphides/sulphosalts such as boulangerite(?) are also present. Ex Joan Lamond Collection. Ex Museum Victoria. Width of view 8.63mm. Stack of 49 images....
Hackly gold on and in matrix. Ex Joan Lamond Collection. Ex Tony Fraser. Width of view 11.5mm. Stack of 48 images. Click on the image below for a higher resolution version.
Tiny hackly gold. Ex Joan Lamond Collection. Ex Jo Price. Width of view 5.75mm. Stack of 37 images. Click on the image below for a higher resolution version.
Small patches of gold in reef quartz. A golden bird up top? And a Remote Bogger in the middle? Ex Joan Lamond Collection. Ex Don McColl. Specimen measures 4x2x2.5mm. Stack of 62 images. Click on...
Small gold pieces on ironstone matrix. Ex Joan Lamond Collection. Ex Museum Victoria. Width of view 5.75mm. Stack of 40 images. Click on the image below for a higher resolution version.
A 2mm wide gold crystal with a face! Pareidolia! Ex Joan Lamond Collection. Pareidolia is defined as the tendency to perceive a specific, often meaningful image in a random or ambiguous visual pattern. It is...
Coarsely crystalline gold in white quartz. Chris Ah Yee. Click on the image below for a higher resolution version.
A tiny speck of gold in quartz. Width of view 11.5mm. Stack of 34 images. This would be one of the deposits/short-lived mines of the village of Moonee Beach. Click on the image below for...
Iridescent goethite stalactites. Ex Jo Price Collection. Width of view 11.5mm. Stack of 65 images. Click on the image below for a higher resolution version.
Box of “Devil’s Dice” of various sizes, most less than 1cm in size. The one in the photo is 45x45x25mm. Click on the image below for a higher resolution version.
Box of “Devil’s Dice” of various sizes, most less than 1cm in size. Centre one is 14mm wide. Click on the image below for a higher resolution version.
Trigonal hematite crystals that have been completely replaced by goethite, with minor colourless hyalite opal. Ex Barry Schubert Collection. Width of view 8.63mm. Stack of 45 images. Click on the image below for a higher...
Bladed goethite on white calcite crystals that are not fluorescent, however the underlying massive calcite is. Ex Margaret Brown Collection. Width of view 5.75mm. Stack of 40 images. Click on the image below for a...
Brown globular goethite completely covering quartz crystals. Width of view 11.5mm. Stack of 85 images. Click on the image below for a higher resolution version.
Bluish-grey fibrous glaucophane schist. Specimen measures 16x13x8mm. Click on the image below for a higher resolution version.
Red gmelinite coloured by hematite, with colourless analcime and prismatic natrolite. Width of view 11.5mm. Stack of 110 images. Click on the image below for a higher resolution version.
Red gmelinite coloured by hematite, with colourless analcime and prismatic natrolite. Width of view 4.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Hexagonal crystal with a white core and a lustrous colourless outer layer. Width of view 11.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
This crystal is coloured by hematite. On colourless analcime. A nearby cavity has a colourless calcite crystal. Width of view 4.5mm. Stack of 90 images. Click on the image below for a higher resolution version.
Prismatic gmelinite crystals. Width of view 4.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Highly lustrous colourless gmelinite crystals. Width of view 3mm. Stack of 30 images. Click on the image below for a higher resolution version.
Colourless analcime on pink gmelinite. Ex Margaret Brown Collection. Width of view 17.5mm. Stack of 48 images. Click on the image below for a higher resolution version.
Green balls of glaukosphaerite on a tremolite matrix. Ex Jo Price Collection. Width of view 11.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Green acicular-fibrous crystals. Ex Albert and Marianne Schrander-Hettinga 1/2006. Width of view 11.5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Dark green gillardite. Light green gaspeite. Colourless gypsum. Gillardite Type Locality. Ex Jo Price Collection. Width of view 5.75mm. Stack of 130 images. Click on the image below for a higher resolution version.
Golden goethite with calcite on quartz. Calcite fluoresces bright red. Ex Margaret Brown Collection. Width of view 5.75mm. Stack of 70 images. Click on the image below for a higher resolution version.
Goethite inclusions in quartz. Ex Margaret Brown Collection. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
Orange acicular goethite sprays coming from a base of hematite on palest amethyst quartz. The quartz sits on an agate base. Ex Margaret Brown Collection. Width of view 11.5mm. Stack of 90 images. Click on...
Golden brown acicular crystals of goethite on amethyst. Width of specimen 13mm. Stack of 150mm. Click on the image below for a higher resolution version.
Goethite replaced earlier azurite and/or malachite(?) with an overgrowth of malachite. Stack of 80 images. Click on the image below for a higher resolution version.
Tiny sprays of goethite on an opal lining of a vesicle. Siderite crystals in another vesicle. Ex Joan Lamond Collection. Acquired by Joan in 2002 from Ann and Noel Kennon. Width of view 11.5mm. Stack...
Colourless crystals. Width of view 11.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Greenish crust. Type Locality. Ex Dakota Matrix Minerals. 42x30x18mm. Click on the image below for a higher resolution version.
Ex Ruth Coulsell Collection. Ex Val Hannah Collection. 55x33x18mm. Click on the image below for a higher resolution version.
XRD Confirmed. Ex Jim Sharpe Collection. Galenobismutite not fibrous, bismuthinite fibrous. 44x28x15mm. Click on the image below for a higher resolution version.
Pinkish-red friedelite with tiny yellowish-brown pyrosmalite and black ilvaite. Ex Bernie and Margaret Day Collection. Width of view 17.25mm. Stack of 60 images. Click on the image below for a higher resolution version.
A mass of silver needles of franckeite with black sphalerite, purple fluorite, tan magnesite, and not in photo, pyrite. Width of view 17.25mm. Stack of 50 images. Click on the image below for a higher...
A mass of silver needles of franckeite with a little purple fluorite and tan magnesite. Specimen measures 55x40x20mm. Click on the image below for a higher resolution version.
Brown to black tourmaline crystals, probably schorl or fluor-schorl, but could also be foitite based on recent analyses of tourmalines from this area. Specimen measures 22x18x17mm. Click on the image below for a higher resolution...
Massive white peisleyite finely intergrown on a μm scale with fluorwavellite. SEM shows that ‘massive peisleyite’ consists of zones of intergrown peisleyite crystals (<3 μm in size) forming mats intermixed with zones of massive ‘wavellite’...
Bright green crystalline aggregates of this rare selenium mineral. Ex Val Hannah Collection. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
Yellow material labelled as francevillite or carnotite, on davidite-(La). It is most likely carnotite but would need analysis to confirm. Width of view 11.5mm. Stack of 50 images. Click on the image below for a...
White foshagite with yellow-green vesuvianite. Ex Joan Lamond Collection. Ex Museum Victoria. Specimen measures 12x8x5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Type Locality. Cluster of crude black crystals. Ex Excalibur Minerals. Width of view 5.75mm. Stack of 60 images. Click on the image below for a higher resolution version.
A vein of purple fluorite in matrix. Ex Val Hannah Collection. Ex Ruth Coulsell Collection. Specimen measures 28x22x25mm. Click on the image below for a higher resolution version.
Tiny purple crystals of fluorite embedded in matrix. Ex Joan Lamond Collection. Collected by Joan in 1997. Width of view 5.75mm. Stack of 55 images. Click on the image below for a higher resolution version.
Silver metallic bismuthinite on green fluorite that fluoresces under longwave UV. Specimen measures 13x15x7mm. Click on the images below for a higher resolution version.
Dark purple, almost black botryoidal fluorite. Specimen measures 20x18x8mm. Stack of 40 images. Click on the image below for a higher resolution version.
Pale green fluorite with a darker core, preferentially coated with drusy quartz crystals. The pale green fluorite fluoresces more strongly than the darker core. Specimen measures 46x30x14mm. Click on the image below for a higher...
Tiny colourless fluorite crystals with red minium in a void that would have originally been a galena crystal. Also present, colourless to white acicular (calcium-rich?) pyromorphite crystals. Width of view 11.5mm. Stack of 100 images....
A small ore specimen comprising purple fluorite (fluorescent), chalcopyrite, and small amounts of galena and sphalerite. Specimen measures 22x20x20mm. Stack of 50 images. Click on the image below for a higher resolution version.
Hackly silver-rich gold in fluorite. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Hackly silver-rich gold in mostly grey fluorite with a hint of purple. Width of view 17.25mm. Stack of 100 images. Click on the image below for a higher resolution version.
Colourless fluorite cubes that fluoresce blue under longwave ultraviolet, partially coated with siderite. Tiny pyrite crystals also present. Width of view 11.5mm. Click on the images below for a higher resolution version.
A bit of layering here. The bottom layer is quartz crystals, and they are completely covered in goethite. Next is white dickite. On top of the dickite are colourless-grey fluorite cubes (not fluorescent). These in...
A cluster of rounded fluorite crystals with blue to yellow zoning. Fluorescent under longwave ultraviolet, but not strongly so. A hint of green fluorescence in patches under shortwave ultraviolet. Ex Val Hannah Collection. Specimen is...
Lots of chalcopyrite crystals on small purple cubes of fluorite and red-fluorescing double-terminated calcite crystals. A few small yellow barite crystals also present. Even smaller pyrite crystals are sprinkled on the barite, and to a...
Light purple over some green fluorite octahedral crystals to 10mm with quartz. The green fluorite exhibits blue fluorescence under longwave ultraviolet, but not the purple fluorite. Specimen measures 59mm wide. Click on the image below...
Dark purple over green fluorite octahedral crystals to 8mm with quartz. The green fluorite exhibits blue fluorescence under longwave ultraviolet, but not the purple fluorite. Specimen measures 53mm wide. Click on the image below for...
Dark purple fluorite octahedral crystals to 25mm with iron-stained quartz. The fluorite exhibits blue fluorescence under longwave ultraviolet. Specimen measures 52mm wide. Click on the image below for a higher resolution version.
Dark purple fluorite octahedral crystals to 20mm with iron-stained quartz. The fluorite exhibits patchy blue fluorescence under longwave ultraviolet. Specimen measures 50mm wide. Click on the image below for a higher resolution version.
Light purple cubes of fluorite do not fluoresce under longwave UV, but do fluoresce green under shortwave UV. Calcite is best seen under longwave UV as red patches. Balls of opal fluoresce pale green under...
A small crystal lined agate geode with purple fluorite octahedra with a pale blue-grey surface on amethystine quartz. The fluorite does not fluoresce. Also present, golden sprays of goethite. Ex Joan Lamond Collection. Acquired by...
Purple fluorite crystals in a small cavity adjacent to smoky quartz. Width of view 5.75mm. Stack of 110 images. Click on the image below for a higher resolution version.
Colourless cubes with a white core of fluorite crystals that glow green under shortwave ultraviolet light. Judging by the colour, it is likely that the fluorescence is due to uranyl ions. A small amount of...
Ex Joan Lamond Collection. Acquired by Joan in 1996. Ex Museum Victoria. Width of view 11.5mm. Photos are white light, longwave ultraviolet and shortwave ultraviolet. Sellaite is cream to white and glows greenish under longwave,...
Iridescent botryoidal goethite on on face of the specimen. Specimen dimensions are 35x24x22mm. Click on the image below for a higher resolution version.
This is the first time I have seen this colour on a Broken Hill specimen! Spectacular under shortwave ultraviolet light. The smithsonite glows yellow under longwave, pink under medium wave and violet red under shortwave....
A small cluster of apophyllite crystals. Specimen is 10mm wide. Click on the image below for a higher resolution version.
Given the name “Lost City of Bischoff” when I first found it, this is one side of a ferroan magnesite crystal that had grown up against stepped fluorite that is no longer there. The core...
A lot happening on this specimen. In the white light photo, you can see tabular pale blue hexagonal fluorapatite crystals with muscovite mica, and brown areas appear to be goethite coating cassiterite. In the longwave...
Tiny pale baby blue crystals of fluorapatite. Yellow plates of saleeite also present on the specimen. Width of view 5.75mm. Stack of 100 images. Click on the image below for a higher resolution version.
A single colourless hexagonal prism of fluorapatite. The greenish yellow mineral is cyrilovite. Width of view 5.75mm. Stack of 140 images. Click on the image below for a higher resolution version.
Click on the image below for a higher resolution version. Individual images: White Light… Longwave UV… Shortwave UV…
A brownish-green single fluorapatite crystal with a small amount of attached galena. Shown side lit. Crystal measures 22mm tall. Click on the image below for a higher resolution version.
Small speck of gold in iron ore. Width of view 11.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Blocky apophyllite crystals on calcite. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 100 images. Click on the image below for a higher resolution version.
Small sharp apophyllite crystals and balls of goethite on parallel-grown quartz crystals. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 120 images. Click on the image below for a higher resolution version.
Slightly yellowish tabular crystals of hydroxyapophyllite-(K) on colourless phillipsite. Width of view 11.5mm. Stack of 150 images. Click on the image below for a higher resolution version.
Lustrous cassiterite crystals and luinaite on and in quartz. Tiny rosettes of tan siderite on the cassiterite. Ex Mark Hallam Collection. Width of view 11.5mm. Stack of 110 images. Click on the image below for...
Scheelite on ferberite, 32x30x20mm. Shown under shortwave (left), white light (centre) and longwave (right).
Pinkish-yellowish blocky fluellite crystals with sugary pale greenish turquoise. Width of view 11.5mm. Stack of 90 images. Click on the image below for a higher resolution version.
Blocky fluellite crystals looking brown due to transmitted matrix colour, white acicular wavellite and colourless flat-lying prismatic crystals of minyulite. Width of view 8.63mm. Stack of 40 images. Click on the image below for a...
Grey hexagonal tabular crystals of finnemanite with long prisms of willemite, and metallic chalcophanite. Ex Barry Shubert Collection. Width of view 5.75mm. Stack of 70 images. Click on the image below for a higher resolution...
Purple axinite crystals with green ferro-actinolite or actinolite(?), felted brown ferro-tschermakite, and pale tremolite(?). Also present, lemon-green andradite. Width of view 5.75mm. Stack of 120 images. Click on the image below for a higher resolution...
Brown prismatic ferrosilite crystals with tan andesine, platy ilmenite, and acicular fluorapatite needles. Width of view 5.75mm. Stack of 60 images. Click on the image below for a higher resolution version.
Three small crystals without matrix. Ex Jim Ferraiolo. Crystal in photo is 7mm long.
Creamy white pearly ferroaluminoceladonite with blue beryl and grey sellaite on a skeletal quartz matrix. Width of view 32mm. Stack of 75 images. Click on the image below for a higher resolution version.
Tiny prismatic sprays of dark green-black crystals. Width of view 8.63mm. Stack of 50 images. Click on the image below for a higher resolution version.
Yellow-green ferrimolybdite with probable orange jarosite on quartz. Width of view 8.63mm. Stack of 90 images. Click on the image below for a higher resolution version.
Small white tufts of ferrierite on colourless heulandite. Ex Val Hannah Collection. Width of view 11.5mm. Stack of 80 images. Click on the image below for a higher resolution version.
A spray of white crystals with a yellow core. Ex Bernie Day Collection. Ex Jack Nelson Collection. Width of view 11.5mm. Stack of 68 images. Click on the image below for a higher resolution version.
Tiny yellow crystals. Ex Excalibur Minerals. Width of view 5.75mm. Stack of 35 images. Click on the image below for a higher resolution version.
White crystalline groups on slate. Collected by me in 2003. Width of view 17.25mm. Stack of 60 images. Click on the image below for a higher resolution version.
Globular creamy-white coating on slate. Width of view 17.25mm. Stack of 32 images. Click on the image below for a higher resolution version.
Pale blue botryoidal faustite with a few tiny glassy colourless wardite crystals, and metallic hematite. Ex Jo Price Collection. Width of view 11.5mm. Stack of 70 images. Click on the image below for a higher...
Pale sky blue hemispheres with white cores of copper-bearing faustite. The outer portions may grade to zinc-bearing turquoise. Width of view 5.75mm. Stack of 65 images. Click on the image below for a higher resolution...
Yellow crystals of sulphur on carbonised wood. Ex Joan Lamond Collection. Acquired by Joan in 1990 from Arthur Roffey. Width of view 11.5mm. Stack of 45 images. Click on the image below for a higher...
Mindat lists erionite-K and erionite-Ca, with the latter the only one tested (Rruff). Isolated prisms and small groups of colourless erionite in a vugh. Received in mail-trades in the 1980s with Jocelyn Thornton (New Zealand)....
An aesthetic spray of hexagonal erionite prisms. Ex Jo Price Collection. Width of view 5.75mm. Stack of 95 images. Click on the image below for a higher resolution version.
Twinned phillipsite crystals. These clearly show the twinning planes. Ex Jo Price Collection. Width of view 11.5mm. Stack of 100 images. Click on the image below for a higher resolution version.
Twinned phillipsite crystals on and with calcite. Ex Jo Price Collection. Width of view 5.75mm. Stack of 90 images. Click on the image below for a higher resolution version.
From the Moeraki Point quarry. Small colourless quartz on white calcite. Ex Jo Price Collection. Width of view 11.5mm. Stack of 120 images. Click on the image below for a higher resolution version.
Pink grains of eudialyte or manganoeudialyte with/in andradite, and phenocrysts of sanidine in a green groundmass. Other species likely present but would need analysis to confirm. Width of view 11.5mm. Stack of 75. Click on...
Eucryptite and albite as massive white crystalline material. Pale pink may be cookeite. Specimen measures 75x55x30mm. Click on the image below for a higher resolution version.
Deep dark red prismatic crystals of erythrite. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 160 images. Click on the image below for a higher resolution version.
Pink erythrite (look closely, some crystals are bent), blue lavendulan and olive-green cobaltaustinite. Cobaltite crystals are present, enbedded in the matrix, but not in this image. Width of view 7.66mm. Stack of 85 images. Click...
A few pieces. Erythrite occurring as a pink alteration of cobaltite crystals, which are embedded in fluorescent calcite. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 55 images. Click on the image below...
A mass of deep pink erythrite crystals. Also present (in matrix and not shown) is tan smolianinovite pseudomorphing a cobaltite crystal. Gift from Bernie Day, December 1992. Width of view 11.5mm. Stack of 120 images....
Long prismatic pink crystals, one with a distinct bend in it. Width of view 5mm. Photo published in Australian Journal of Mineralogy 21(1). Click on the image below for a higher resolution version.
Pink erythrite pseudomorphing cobaltite. Ex Ron and Betty Wallace Collection. Ex Graham Lee. Width of view 11.5mm. Stack of 65 images. Click on the image below for a higher resolution version.
Sharp pink erythrite crystals and masses. Cobaltite as cubes mostly replaced by tan hörnesite. Black/purplish heterogenite. Ex Jo Price Collection. First image: Width of view 5.75mm. Stack of 120 images. Click on the image below...
Tiny pink aggregates of erythrite crystals. Collected by John Carey. Width of view 11.5mm. Stack of 125 images. Click on the image below for a higher resolution version.
Erythrite as deep pink crystals and pale pink botryoidal cobalt bloom with unidentified lilac patches. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
Brown crystals identified as ernstite by the late Vince Peisley. There has been doubt cast on the validity of ernstite at this locality, as the original material can not be found, and subsequent pieces analysed...
Silky overgrowths of erionite (labelled as offretite) on levyne crystals. Ex Lesley and Doug Ball Collection. Width of view 11.5mm. Stack of 65 images. Click on the image below for a higher resolution version.
Silky erionite overgrowths clearly showing on broken levyne crystal with grey calcite crystal (the calcite is 6mm tall). Adjacent vugh is lined with thomsonite and has tiny chabazite crystals sprinkled over it. Stack of 80...
Tiny colourless hexagonal prisms of erionite (sizes in photo captions). Click on the images for a higher resolution version.
Single pale blue crystal 9mm tall. Ex Noel and Ann Kennon #T8. Acquired by them from “Glad” (Rangott?, Jackson?). Click on the image below for a higher resolution version.
Hexagonal silver crystals with other manganese phases. 2022 mining. Width of view 11.5mm. Stack of 62 images. Click on the image below for a higher resolution version.
2022 production. Crystals 22mm long. Click on the image below for a higher resolution version.
2022 production. Longest crystal is 30mm. Click on the image below for a higher resolution version.
Non-descript looking material. Width of view 5.75mm. Stack of 70 images. Click on the image below for a higher resolution version.
Lustrous wheatsheaf sprays of green epidote topped with a few colourless quartz crystals. Ex Jo Price Collection. 15mm wide. Stack of 46 images. Click on the image below for a higher resolution version.
A cluster of lustrous green epidote crystals 29mm tall. Click on the image below for a higher resolution version.
Single larger than usual green epidote crystal, 50mm long. Probably Entia Valley. Ex Arthur Roffey Collection 453. Click on the image below for a higher resolution version.
Twinned(?) green epidote crystals in massive white calcite that fluoresces bright orange-red. Collected in September 1994 by Margaret Brown. Width of view 5.75mm. Stack of 97 images. Click on the image below for a higher...
Prismatic green epidote on quartz. Ex John and Betty Weir. Width of view 11.5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Single very dark crystal 15mm long. It shows just a hint of green with very strong lighting. Stack of 40 images.. Click on the image below for a higher resolution version.
Labelled as Kalumburu Station, but would be the well-known Mitchell Plateau. A sheaf-shaped aggregate of epidote crystals with minor drusy quartz. 18mm tall. Stack of 55 images. Click on the image below for a higher...
A green epidote crystal impaled on pyrite, all on dark brown andradite garnet. Presumably, the epidote interrupted the growth of the pyrite. Width of view 5.75mm. Stack of 110 images. Click on the image below...
Prismatic green epidote crystals with dark green actinolite and yellowish-green titanite, the latter two not in the photo. Width of view 5.75mm. Stack of 70 images. (First image) Click on the image below for a...
Labelled as Briagolong. Acquired by Joan Lamond from Doug Gaw at the 1999 Waverley Show. Width of View 11.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Dark brown prismatic crystals with pale yellow fibrous meurigite-K, and tiny bright yellow cyrilovite. Width of view 2.88mm. Stack of 35 images. Click on the image below for a higher resolution version.