20095 Gold, Dome Rock Copper Mine, Boolcoomatta Reserve (Boolcoomata Station), Olary Province, South Australia
Bright thin leaf gold sitting up from matrix.
Bright thin leaf gold sitting up from matrix.
Superb blue sprays of connellite in slag.
Fluorescent red calcite and a pyrite ring.
Stunning chalcopyrite crystals looking hoppered with balls of goethite needles on barite.
Very pale yellow flattened crystals.
Greenish-yellow cyrilovite on goethite and kapundaite. Ex Vince Peisley. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
Light blue acicular cyanotrichite with minor darker blue azurite and green malachite. Specimen is 11mm wide. Stack of 70 images. Click on the image below for a higher resolution version.
Silvery black cuprite crystals with a hint of red. Ex John Lewis Collection. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Tiny red criss-crossing elongated cuprite crystals (chalcotrichite) on prehnite. Ex Jo Price Collection. Width of view 5.75mm. Stack of 80 images. Click on the image below for a higher resolution version.
Although Mount Lyell is a copper mine, cuprite is not that common. This specimen has black slightly rounded crystals. Width of view 11.5mm. Stack of 50 images. Click on the image below for a higher...
Deep red cuprite crystals. Width of view 11.5mm. Stack of 28 images. Click on the image below for a higher resolution version.
Fibrous “cummingtonite” as labelled. Not analysed to my knowledge. It is possible that this could be another amphibole such as grunerite. Ex Joan Lamond Collection. Width of view 11.5mm. Stack of 35 images. Click on...
Deep red cuprite crystals in a copper matrix from the Pit F0 Supergene Deposit. Width of view 8.63mm. Stack of 100 images. Click on the image below for a higher resolution version.
Pale blue crust. Ex Val Hannah Collection. Width of view 17.25mm. Stack of 70 images. Click on the image below for a higher resolution version.
Small crystals and partial crystals of crocoite on quartz crystals, Width of view 11mm. Stack of 6 images. Click on the image below for a higher resolution version.
Single red crystal 27mm long. Click on the image below for a higher resolution version.
Lustrous white crystals. Ex Jo Price Collection. Width of view 11.5mm. Stack of 88 images. Click on the image below for a higher resolution version.
Width of view 11.5mm. Stack of 94 images. Click on the image below for a higher resolution version.
As well as the linarite and hemimorphite, there are minor amounts of aurichalcite, brochantite, pyrite, galena, and some skarn minerals present. Collected by Gerry Morvell and acquired from Gerry by Margaret Brown in 1995. Width...
Tiny white crystals with pseudobrookite and phlogopite. Ex Jo Price Collection. Width of view 5.75mm. Stack of 68 images. Click on the image below for a higher resolution version.
Blue-black covellite in massive quartz. Also present but not in photo, sulphur and jarosite. Width of view 5.75mm. Stack of 24 items. Click on the image below for a higher resolution version.
Blue-black crystals of covellite on iridescent chalcopyrite. Ex Margaret Brown Collection. Acquired by Margaret in 1994 from Trevor Dart. Width of view 11.5mm. Stack of 66 images. Click on the image below for a higher...
A tiny ball of dark blue covellite crystals, probably covering a chalcopyrite crystal, with prismatic brown dravite, and a vein of pyrite and chalcopyrite in quartz. Ex Bernie and Margaret Day Collection. Width of view...
Colourless prismatic creedite crystals with white and colourless hyalite opal. There is a slight hint of pink in the creedite above the main crystal group. Ex Graham Lee Collection. Width of view 11.5mm. Stack of...
Silver-black crystals embedded in quartz. You can see very fine “hairy” crystals towards the bottom left of the photo as well as the more robust ones upper right. XRD Confirmed. Ex Jim Sharpe Collection #278....
A rare copper pseudomorph after cuprite. Ex John Roe. Width of specimen 10mm. Stack of 38 images. Click on the image below for a higher resolution version.
Blue spray with green malachite and brochantite, and unidentified pale green material in massive cuprite with quartz. Ex Brian Beyer. Width of view 5.75mm. Stack of 50 images. Click on the image below for a...
Green spheres are more likely conichalcite than cornwallite as labelled (conichalcite recorded in the Simpson Collection in Western Australia). Width of view 11.5mm. Stack of 35 images. Click on the image below for a higher...
Typical crystals of blue cornetite. Ex Bernie Day. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Tiny blue crystals of cornetite. Collected by Ron and Betty Wallace. Width of view 5.75mm. Stack of 35 images. Although this looks very similar to the cornetite occurrence at the Great Australia Mine, I have...
Native copper from a rare locality. Measures 25x22mm. Ex Neil Kinnane Collection. Ex Brian Shelton Collection. Click on the image below for a higher resolution version.
Interesting cube-octahedra copper crystals. Width of view 8.63mm. Stack of 75 images. Click on the image below for a higher resolution version.
Tiny blue spheres of connellite. Ex Joan Lamond Collection. Acquired by Joan for $4 in 1998 from Glyn Francis. Width of view 5.75mm. Stack of 30 images. Click on the image below for a higher...
Light green spheres of conichalcite with pale blue agardite and chrysocolla. Tiny spheres of hyalite opal on some of the agardite crystals. Ex Jo Price Collection. Width of view 5.75mm. Stack of 40 images. Click...
Green spheres in a gossanous matrix. Width of view 11.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Botryoidal green conichalcite replacing olivenite(?). Ex Jo Price Collection. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Green spheres of conichalcite with pale needles of agardite. Width of view 11.5mm. Stack of 20 images. Click on the image below for a higher resolution version.
Small clusters of colourless quartz on a bed of conichalcite. Quartz crystals are uncommon. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Green conichalcite hemispheres with pale fluffy agardite-(La). Ex Bernie Day Collection. Width of view 11.5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Tiny hemispheres of lighter green conichalcite on darker green bayldonite. Collected by Ian Graham. Width of view 11.5mm. Stack of 24 images. Click on the image below for a higher resolution version.
Green balls with protruding crystals. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
Green crust. Width of view 11.5mm. Stack of 28 images. Click on the image below for a higher resolution version.
Tiny colourless drusy crystals. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 25 images. Click on the image below for a higher resolution version.
White eucryptite with lilac cookeite. The eucryptite fluoreses white under longwave and red under shortwave. Acquired by Joan Lamond in 1996 from Jack Leach for $2.00. Ex Jack Nelson Collection. Width of view 17.25mm. Stack...
Massive translucent blue gem cordierite (iolite). Labelled Kamulla Creek, but I have not been able to locate this. Ex Val Hannah Collection. Width of view 17.25. Stack of 25 images. Click on the image below...
Grey coloradoite sandwiched between two patches calaverite. Ex Val Hannah Collection. Width of view 11.5mm. Stack of 25. Click on the image below for a higher resolution version.
A single partially terminated black columbite crystal. Ex Jo Price Collection. Width of view 17.25mm. Stack of 30 images. Click on the image below for a higher resolution version.
Bluish-grey rounded aggregates of collinsite (possibly coloured by underlying cryptomelane) with prismatic scholzite crystals and tiny colourless rhombohedral-looking hillite crystals. Ex Joan Lamond Collection. Width of view 11.5mm. Stack of 38 images. Click on the...
Colourless prismatic hydroxylapatite (centre of photo) with colourless to yellowish hemispheres of distinct collinsite crystals. Ex Jo Price Collection. Width of view 11.5mm. Stack of 70 images. Click on the image below for a higher...
Crude white pseudocubes with a slight pinkish tinge (some altering to erythrite). Width 5.75mm. Stack of 40 images (close up). Width 18.5mm. Stack of 109 images (wider view). Ex Diederik Visser. Click on the images...
Superb blue sprays of connellite with prismatic green brochantite and a couple of green malachite hemispheres, in slag. Width of view 5.75mm. Stack of 30 images. Acquired from Greg Vort-Ronald at the 2022 Palmer Show,...
Olive-green cobaltaustinite replacing cubes of cobaltite. Ex Jo Price Collection. Width of view 11.5mm. Stack of 38 images. Click on the image below for a higher resolution version.
Dark olive-green coating of cobaltaustinite with lustrous purple-pink erythrite crystals. Ex Val Hannah Collection. Width of view 11.5mm. Stack of 44 images. Dome Rock is the Type Locality for cobaltaustinite. Click on the image below...
Olive-green rounded aggregates. Collected from the first Cu workings. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 32 images. Click on the image below for a higher resolution version.
Orange coalingite infilling chrysotile vein. Ex Joan Lamond, Ex Museum Victoria (M38281), Ex J.D. Hamilton, Ex Val Hannah. Width of view 11.5mm. Stack of 38 images. Click on the image below for a higher resolution...
Pale blue rosettes. Ex Graham Lee Collection. Width of view 5.75mm. Stack of 30 images. Type Locality. Click on the image below for a higher resolution version.
Ex Graham Lee Collection. Width of specimen 48mm.
Dark blue bladed crystals and lighter blue sprays of clinoclase with white fibres of olivenite and balls of green conichalcite and chrysocolla. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 46 images. Click...
Coatings and crystalline areas of pucherite (lighter yellow) with clinobisvanite (darker yellow to orange). Ex Jack Leach Collection. Width of view 11.5mm. Stack of 32 images. Click on the image below for a higher resolution...
Crimson red cinnabar on quartz. Ex Bernie Day Collection. Width of view 8.63mm. Stack of 19 images. Click on the image below for a higher resolution version.
Acquired by Joan Lamond in 1998. Ex Museum Victoria. Width of view 5.75mm. Stack of 29 images. Click on the image below for a higher resolution version.
White to green fibres in a vein in serpentine. Width of view 17.25mm. Stack of 29 images. Click on the image below for a higher resolution version.
Green chrysocolla pseudomorphing malachite. Width of view 11.5mm. Stack of 15 images. Click on the image below for a higher resolution version.
Blue chrysocolla with white hemimorphite. The matrix and the hemimorphite are coated with drusy quartz. Width of view 11.5mm. Stack of 29 images. Closeup width 3mm, stack of 50. Click on the images below for...
Pale blue chrysocolla with green malachite. Width of view 11.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Pale blue chrysocolla replacing azurite crystals. Width of view 11.5mm. Stack of 32 images. Click on the image below for a higher resolution version.
Pale blue chrysocolla with sprays of green malachite and crystals of brown cerussite. Width of view 11.5mm. Stack of 29 images. Click on the image below for a higher resolution version.
A waterworn green chrysoberyl crystal. It is weak red under longwave UV. Width of view 11.5mm. Stack of 25 images. Click on the image below for a higher resolution version.
Single green crystal on a sliver of matrix. Width of view 17.25mm. Stack of 37 images. Click on the image below for a higher resolution version.
Brian Smith from the Queen Victoria Museum, Launceston, Tasmania, identified the specimens below as belonging to a member of the Helicopsychidae family, a species of caddis fly larvae. Instead of the tube shaped homes that...
Green chromium grossular on chromite and minor lizardite. Width of view 11.5mm. Stack of 30 images. Ex Margaret Brown Collection. Collected by Ian Graham. Click on the image below for a higher resolution version.
Rice grain smithsonite crystal group. Width of view 5.75mm. Stack of 50 images. Click on the image below for a higher resolution version.
Prismatic blue crystals of linarite with pale blue serpierite(?). Width of view 5.75mm. Stack of 60 images. Click on the image below for a higher resolution version.
Sharp prismatic anglesite crystals. Width of view 5.75mm. Stack of 60 images.
Colourless bladed crystals of anglesite with acicular crystal (also anglesite?). Width of view 5.75mm. Stack of 55 images.
Unidentified white hemispheres that have grown in a thin space in slag. They look zoned, with the outermost part having a silky lustre. Note also some complete balls in gas cavity upper left. Width of...
A combination cube and octahedral crystal. Width of view 5.75mm, Stack of 35 images. Click on the image below for a higher resolution version.
Black crystals of chloritoid. Width of view 8.63mm. Stack of 30 images. Click on the image below for a higher resolution version.
Black chlorite (chamosite?) with small smoky quartz crystals, colourless albite and white orthoclase. Ex Margaret Brown Collection. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
Dark green hexagonal worms of chlorite (chamosite?) with purple axinite-(Fe) and arsenopyrite. Width of view XX. Stack of 26 images. Click on the image below for a higher resolution version.
Vermicular chlorite (probably chamosite) in quartz. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
A single green crystal of chlorargyrite. Ex Bernie Day Collection. Width of view 5.75mm. Stack of 30 images. Click on the image below for a higher resolution version.
Greyish-green chlorargyrite crystals with minor prismatic orange crocoite crystals. Ex Frank Mihajlowits. Width of view 5.75mm. Stack of 40 images. Click on the image below for a higher resolution version.
A tiny green chlorargyrite crystal embedded in matrix. Ex Jo Price Collection. Width of view 5.75mm. Stack of 50 images. Click on the image below for a higher resolution version.
Nice green chlorargyrite on brownish dolomite. Ex Jo Price Collection. Width of view 11.5mm. Stack of 26 images. Click on the image below for a higher resolution version.
A specimen collected by me. I remember seeing the bright green crystals when I broke open the gossan. They darkened rapidly before my eyes! Width of view 11.5mm. Stack of 35 images. Click on the...
Brownish crystal of chlorargyrite on malachite. Also present but not in photo, azurite crystals. Ex Ian Graham. Width of view 5.75mm. Stack of 70 images. Click on the image below for a higher resolution version.
Chlorargyrite (bromian), originally known as embolite, is uncommon as distinct crystals. It is more regularly blobs or masses and often a purplish-grey due to exposure to light. This one is an old specimen from Broken...
Green crusty-looking material. Width of view 11.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Collected on the upper dump by Bernie Day. Olive-green unknown (Fe phosphate?) and grey variscite (upper right) on green chalcosiderite. Ex Bernie Day Collection. Width of view 11.5mm. Stack of 44 images. Click on the...
A single mounted chalcopyrite crystal, no matrix. Ex Jo Price Collection. Width of view 5.75mm. Stack of 25 images. Click on the image below for a higher resolution version.
Hematite crystals on a hollowed out chalcopyrite crystal. Ex Jo Price Collection. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
Tarnished chalcopyrite crystals. Specimen measures 74x42x40mm. Ex Rory McCann. Click on the image below for a higher resolution version.
Rounded chalcopyrite crystals. Specimen measures 53x34x33mm. Ex Rory McCann. Click on the image below for a higher resolution version.
Tarnished crystals on pink-fluorescing calcite. Ex Bernie Day Collection. Width of view 8.63mm. Stack of 40 images. Click on the image below for a higher resolution version.
Interesting twinned chalcopyrite crystals without matrix. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
A cluster of iridescent chalcopyrite crystals on ankerite/dolomite with quartz. Width of view 11.5mm. Stack of 55 images. Click on the image below for a higher resolution version.
One main twinned and iridescent chalcopyrite crystal with a few smaller ones, with hematite and fibrous cream sepiolite on dolomite. Width of view 8.63mm. Stack of 40 images. Click on the image below for a...
Silver chalcophanite with colourless thin prismatic scholzite crystals and white hemimorphite after smithsonite crystals. Ex Jo Price Collection. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution...
Hexagonal crystals. Ex Jo Price Collection. Width of view 5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Tiny hexagonal crystals. Width of view 5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Extreme closeup of a wulfenite crystal at the limit of what can be achieved with my equipment. This image has not been cropped. Width of view 2mm. Stack of 50 images. Click on the image...
Bright gold richly embedded throughout matrix. Ex Margaret Brown. Ex Castlemaine School of Mines. Ex CLC Collection. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Plates of levyne with tiny analcime crystals. Width of view 11.5mm. Stack of 90 images. Click on the image below for a higher resolution version.
Quite blocky green malachite crystals. Acquired by me at the 2022 Gemkana from the Waverley Gem Club stall. Ex John Wren Collection. Acquired by John in 1986 for $4 from the Waverley Gem Club stall....
Chalcocite forming both a tapering prismatic crystal with a pseudohexagonal crystal at its base, with tufts of malachite on a vugh lining of crystalline prehnite. Ex Margaret Brown. Width of view 11.5mm. Stack of 70...
Pseudohexagonal crystals. Width of view 11.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Pseudocubic orange chabazite crystals sprinkled with goethite. Top photo: Width of view 11.5mm. Stack of 55 images. Click on the image below for a higher resolution version.
Pseudohexagonal chabazite-Na. Width of view 7.5mm. Click on the image below for a higher resolution version.
Tiny pseudocubic chabazite impaled on natrolite with bladed thomsonite-Ca and a ball of white dolomite. Ex Joan Lamond Collection. Width of view 5mm. Click on the image below for a higher resolution version.
Pseudohexagonal phacolite chabazite. Width of view 5mm. Click on the image below for a higher resolution version.
Basket Weave siderite with pseudocubic chabazite crystals. Ex Joan Lamond Collection. Collected by Joan in 1982. Width of view 10.5mm. Stack of 55 images. Click on the image below for a higher resolution version.
A specimen of pseudocubic chabazite and twinned phillipsite in a vugh in basalt labelled as ‘Cairns, Queensland’ that was collected probably in the 1970s or early 1980s. All I can find out is that the...
Isolated pseudocubic chabazite crystals, some interpenetrant. Width of view 17.25mm. Stack of 70 images. Click on the image below for a higher resolution version.
Labelled as Caniaba Quarry, Casino, but likely to be the Clovass Quarry. Four phacolitic chabazite crystals with no matrix, collected in 1984 or earlier. Acquired by Margaret Brown in 1984 from “Shirley”. Width of view...
Four pieces. Fairly large phacolitic chabazite on natrolite. Tiny later rhombs of chabazite sprinkled on natrolite needles. Photo width 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Complex twinned chabazite. Ex Joan Lamond Collection. Width of view 11.5mm. Stack of 75 images. Click on the image below for a higher resolution version.
Orange-coated pseudocubic crystals of chabazite and green sulphur crystals on alabandite. Width of view 5.75mm. Stack of 35 images. Click on the image below for a higher resolution version.
Twinned pseudohexagonal chabazite crystals coating inside of vesicle. Ex Val Hannah Collection. Width of view 11.5. Stack of 42 images. Click on the image below for a higher resolution version.
Green afterglow. Ex Barry Schubert. Width of view 28mm. Stack of 45 images. Click on the image below for a higher resolution version.
Chrysocolla as blue patches and as green coatings and/or replacement of malachite. Green unaltered malachite also present. Some malachite altered to goethite, and goethite also present as the coating of vughs possibly coating or replacing...
A 1mm wide yellow wulfenite crystal on a goethite matrix. A few other crystals occur on other parts of the specimen. Width of view 4.5mm. Stack of 35 images. Click on the image below for...
Pale blue crusts and distinct crystals. Width of view 11.5mm. Stack of 80 images. Click on the image below for a higher resolution version.
Chalcanthite crystals that had grown on mine timbers in the lower levels of the mine. Specimen was collected around 1968 and was still attached to the timber. Unfortunately it has since become detached. Width of...
Deep blue curved crystals. Width of view 11.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Pale blue post-mining efflorescence. Width of view 11.5mm. Stack of 24 images. Click on the image below for a higher resolution version.
Typical post-mining blue efflorescence. Ex Jo Price Collection. Width of view 11.5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Pale blue post-mining efflorescence. Width of view 11.5mm. Stack of 25 images. Click on the image below for a higher resolution version.
Two interpenetrant blue crystals. There was a chalcanthite pool underground at the mine. The colour is a bit lighter blue in person but hard to capture accurately. Ex Jo Price Collection. Largest crystal is 10mm....
A light blue crust, probably post-mining. Ex Joan Lamond Collection. Width of view 17.25mm. Stack of 40 images. Click on the image below for a higher resolution version.
White to pale green chalcoalumite with fine needles of blue cyanotrichite. Ex Bernie Day Collection. Width of view 5.75mm. Stack of 30 images. Click on the image below for a higher resolution version.
Pale pink to pale blue crust of chalcoalumite with green brochantite and yellow crusty beaverite-(Cu). Visual ID by Ralph Bottrill in about 2007. Width of view 11.5mm. Stack of 55 images (first photo – chalcoalumite)...
Pale blue rosettes of platy crystals. Ex Brian Beyer. Width of view 11.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Yellow cervantite in fractures and on surfaces of massive stibnite. Ex Val Hannah Collection. Ex Ruth Coulsell Collection. Acquired by Val from Ruth in 1993. Width of view 11.5mm. Stack of 30 images. Click on...
Goethite coating cerussite. Width of view 5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Single prisms and knee-shaped twins of grey to pale green cerussite. Width of view 5mm. Stack of 60 images. Click on the image below for a higher resolution version.
A cluster of yellow-green so-called “chrome” cerussite. Width of view 5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Five specimens. The one photographed has parallel growth cerussite with “pancake” pyromorphite. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Prismatic colourless cerussite with tiny yellow mimetite crystals. Ex Joan Lamond Collection. Acquired by Joan from Merv and Lil Legg at the 1999 Gemkana for $2. Width of view 5mm. Stack of 50 images. Click...
White bladed crystals on a gossanous matrix. Ex Jo Price Collection. Width of view 19mm. Stack of 45 images. Click on the image below for a higher resolution version.
Colourless crystals showing twinning, no matrix, mounted on a black-painted wooden post. Ex Jo Price Collection. Width of view 5mm. Stack of 24 images. Click on the image below for a higher resolution version.
Grey cerussite crystals on azurite. Ex Graham Lee. Width of view 19mm. Stack of 85 images. Click on the image below for a higher resolution version.
White globular hyalite opal partially coating one of the greenish barrel-shaped pyromorphite crystals. The opal fluoresces white under longwave UV. Ex Val Hannah Collection. Width of view 19mm. Stack of 51 images. Click on the...
Prismatic brownish cerussite crystals, some twinned on green malachite. Width of view 19mm. Stack of 73 images. Click on the image below for a higher resolution version.
A neat reticulated cerussite specimen coated in tiny pyromorphite crystals. Sandwiched between the two is a bit of malachite. Specimen measures 48x45x22mm.
A lovely sixling reticulated cerussite, no matrix, with a pale orange fluorescence under longwave UV. Width of view 19mm. Stack of 31 images. Click on the image below for a higher resolution version.
Brownish bladed cerussite with green needles of malachite and blue bladed azurite. Width of view 9mm. Stack of 37 images. Click on the image below for a higher resolution version.
Lustrous azurite crystals on and with prismatic white cerussite. Width of view 9mm. Stack of 33 images. Click on the image below for a higher resolution version.
Reticulated cerussite. Ex Ian Graham. Width of view 9mm. Stack of 48 images. Click on the image below for a higher resolution version.
A phantom(!) reticulated cerussite with malachite. Ex Margaret Brown Collection. Width of view 5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Single colourless crystal measuring 20x20x23mm.
A waterworn blue topaz, 43x25x23mm. Ex Peter Mostert. Click on the link below for a higher resolution version.
Reticulated cerussite groups on hemimorphite with malachite. Ex Margaret Brown Collection. Ex Gerry Morvell. Width of view 9.5mm. Stack of 45 images. Click on the image below for a higher resolution version.
Type Locality for jeppeite and priderite. Black jeppeite with brown priderite in a lamproite matrix comprised of green celadonite and chlorite pseudomorphs of olivine, pyroxene and leucite. Width of view 24mm. Stack of 49 images....
A single crystal of cassiterite with no matrix. 13x13x7mm. Stack of 25 images. Click on the image below for a higher resolution version.
An interesting paragenesis. I think what has happened is that malachite was replaced by blue chrysocolla, then wulfenite crystals formed on that, then a later coating of paler chrysocolla covered the lot! Ex Jo Price...
A sample of alluvial heavy concentrate in a vial from the Ringarooma River, Derby, containing mostly brown to black cassiterite, with minor orange zircons, and occasional sapphires and black spinel. Width of view 14.25mm. Stack...
A tiny cassiterite crystal embedded in matrix. Width of view 4.75mm. Stack of 20 images. Click on the image below for a higher resolution version.
Sharp crystals of cassiterite ranging in colour from yellow through grey and brown to black, some zoned, with white topaz (to the right and slightly below the main cassiterite crystal) and green torbernite (not in...
Brown to black euhedral cassiterite crystals with zoned divergent sprays of prismatic crystals in the matrix. Width of view 16mm. Stack of 75 images. Click on the image below for a higher resolution version.
Dark brown cassiterite crystals and an iron-stained topaz crystal (centre top) embedded in a corroded greisen matrix. Width of view 9.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Three loose complex crystals without any matrix. Collected underground. Width of view 19mm. Stack of 34 images. Click on the image below for a higher resolution version.
A twinned cassiterite crystal with a small smoky quartz crystal at the centre, no matrix. A gift from, and collected by, the late Albert Chapman. Width of view 14mm. Stack of 66 images. Click on...
Lustrous black cassiterite crystals with chlorite-coated quartz and dark olive-green prismatic actinolite. Width of view 19mm. Stack of 85 images. (Top image). Click on the image below for a higher resolution version.
Sharp cassiterite crystals on one edge of a specimen containing well-formed arsenopyrite crystals, quartz crystals, and botryoidal orange dolomite. Width of view 14.25, Stack of 80 images (cassiterite photo). Second photo width of view 8mm....
Lustrous dark cassiterite crystals with white quartz crystals, from the edge of a porphyry dyke. Width of view 9.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Lustrous dark cassiterite crystals with quartz. Width of view 19mm. Stack of 90 images. Click on the image below for a higher resolution version.
Aggregate of cassiterite crystals. Width of view 9.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Prismatic cassiterite crystal with interesting features. Width of view 19mm. Stack of 70 images. Click on the image below for a higher resolution version.
Twinned cassiterite. Width of view 12mm. Stack of 56 images. Click on the image below for a higher resolution version.
A group of crystals with gemmy portions and no matrix. Width of view 19mm. Stack of 70 images. Click on the image below for a higher resolution version.
Colourless gypsum on green carrboydite with yellow to brown jarosite. Acquired by Joan Lamond in 1995 from Frank Doedens via Audrey Tuck. Width of view 19mm. Stack of 70 images. Click on the image below...
Type Locality. Ex Jo Price Collection. Specimen measures 9x7x3mm. Stack of 50 images. Click on the image below for a higher resolution version.
Off-white barite aggregates on iron-stained phillipsite with tiny black goethite balls. Ex Jo Price Collection. Width of view 19mm. Stack of 50 images. Click on the image below for a higher resolution version.
Globular dolomite on analcime crystals. Ex Jo Price Collection. Width of view 19mm. Stack of 80 images. Click on the image below for a higher resolution version.
ex Jack Leach Collection. Specimen is 25x18x14mm.
Malachite after azurite and orange-yellow wulfenite crystals and tiny olive green fornacite crystals on a goethite matrix. Width of specimen 43mm. Stack of 182 images. Depth of view about 25mm. Click on the image below...
Type Locality for davidite-(La). Old German label. Yellow carnotite on massive davidite. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Robust dark red to almost black, carminite crystals with green beudantite-segnitite. Ex Graham Lee. Width of view 5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Red carminite with green beudantite-segnitite. Interesting dark lines along some of the carminite crystals. Ex Graham Lee. Width of view 5mm. Stack of 80 images. Click on the image below for a higher resolution version.
Dark orange-red carminite with lighter orange beudantite, light yellow-green philipsbornite in a pale green gartrellite matrix. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Capgaronnite is extremely light-sensitive. There was a reasonable area of yellow-green capgaronnite after being lightly rubbed on the specimen photographed. But this had almost completely turned black by the time the photograph was taken. If...
Dull yellow cerianite on quartz. John Haupt advises that the cerianite from Kingsgate is likely tancaite-(Ce). Ex Bernie Day Collection. Width of view 2.5mm. Stack of 40 images. Click on the image below for a...
Colourless cannonite and pale yellow bismutite after bismuthinite on quartz. Orange bismite and yellow-green koechlinite. Ex Bernie Day specimen. Width of view 5mm. Stack of 50 images. Click on the image below for a higher...
Pink scalenohedral crystals of cobalt-bearing calcite. Width of view 5mm. Stack of 70 images. Click on the image below for a higher resolution version.
Golden, almost fibrous, calcite on thomsonite. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Tiny sharp calcite crystals that look like they may have replaced something else, something vaguely cubic. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Pyrite on and in calcite on a bed of stellerite. Width of view 5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Normally, the only calcite that you find at this locality is stuff that needs to be removed with acid to expose the crystals of other species. This is the only piece that I collected that...
Collected 5/2005. A single calcite crystal on lustrous siderite. Width of view 5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Orange-red prismatic crocoite crystals on zoned green pyromorphite hexagonal prisms. Width of view 5mm. Stack of 30 images. Click on the image below for a higher resolution version.
A scalenohedral crystal group without matrix. Bluish-white fluorescence under longwave UV. Specimen is 20mm high. Ex Val Hannah Collection.
Colourless scalenohedral crystals, some with a white coating. Ex Val Hannah Collection. Width of view 25mm. Stack of 70 images. Click on the image below for a higher resolution version.
Unusual rhombohedral hematite showing some rainbow colouration, with orange-brown siderite. Width of view 3.5mm. Stack of 35 images. Click on the image below for a higher resolution version.
Slender white crystal group. Ex Ron Wallace collection. Width of view 25mm. Stack of 15 images. Click on the image below for a higher resolution version.
Curved white crystals. Ex Ron Wallace collection. Width of view 13mm. Stack of 15 images. Click on the image below for a higher resolution version.
Rounded scalenohedral crystals. Ex Ron Wallace collection. Labelled simply Lyndhurst, but likely the Avondale Mine. Width of view 13mm. Stack of 30 images. Click on the image below for a higher resolution version.
Transparent colourless prismatic calcite crystals with photo showing termination. Ex Ron Wallace collection. Width of view 13mm. Stack of 20 images. Labelled as Moonta, but more likely Wallaroo. Click on the image below for a...
Transparent colourless prismatic calcite crystals with chlorite(?) inclusion. Ex Ron Wallace collection. Width of view 13mm. Stack of 20 images. Click on the image below for a higher resolution version.
Dark brown cleavage. Width of view 25mm. Use the slider to see specimen front and back lit. Click on the image below for a higher resolution version.
Highly fluorescent calcite crystals. Width of view 25mm. Stack of 50 images (white light) and 11 images (UV). Use the slider to see under white light and longwave UV. Click on the images below for...
Sceptred calcite crystal 17mm long. Ex Ian Graham. Ex Margaret Brown. Stack of 25 images. Click on the image below for a higher resolution version. When you zoom in you can see some interesting surface...
Goethite balls on bladed calcite. Ex Margaret Brown Collection. Width of view 25mm. Stack of 25 images. Click on the image below for a higher resolution version.
Ball of bladed crystals with orange fluorescence. Ex Margaret Brown Collection. Width of view 25mm. Stack of 40 images. Click on the image below for a higher resolution version.
Goethite coating calcite crystals. There a few small calcite crystals of a different habit that have formed after the goethite. Width of view 13mm. Stack of 50 images. Click on the image below for a...
Rosettes of pale greenish-yellow platy crystals. Ex Joan Lamond Collection. Acquired by Joan in 1984. Width of view 3.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Cacoxenite as yellow-orange to brown hemispheres of radiating crystals, some as bow-ties. Very pale purple strengite. Colourless prisms of wavellite. Obtained by Joan in 1999 from Robyn Sharp. Width of view 3.5mm. Stack of 56...
Translucent-looking orange-brown hemispheres isolated from the more common yellow-orange acicular to fibrous ones. Acquired from John Haupt 4/06. Width of view 3.5mm. Stack of 40 images. Click on the image below for a higher resolution...
Acquired by Joan Lamond in 1995 from Frank Robinson. Width of view 3.5mm. Stack of 80 images.
Orange hemispheres on an iridescent goethite background. They are zoned with a darker core. Ex Jo Price Collection. Width of view 3.5mm. Stack of 35 images.
Tiny deep blue acicular buttgenbachite crystal sprays (centre of image) with green-blue gerhardtite. Width of view 3.5mm. Stack of 80 images. Ex Bernie Day Collection. Analysis is required to distinguish between connellite (sulphate) and buttgenbachite...
Ex Ralph E. Merrill Collection. Ex Peter Bridge. Tan powder in 44mm long glass vial.
A tiny needle of greenish rutile on an orange brookite on a larger dark anatase crystal. Width of view 3.5mm. Stack of 60 images. Click on the image below for a higher resolution version.
Zoned crystals of brookite in small cavities in quartz. Width of view 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Bluish-green radiating groups of bladed brochantite crystals. Width of view 3.5mm. Stack of 73 images. Ex Bernie Day Collection. Click on the image below for a higher resolution version.
Nice bluish prismatic crystals of brochantite. Width of view 3.5mm. Stack of 50 images. Ex Bernie Day Collection. Click on the image below for a higher resolution version.
Bluish thin crystals of brochantite under a malachite ball, Inkerman Mine, Mount Isa Area, Queensland. Width of view 3.5mm. Stack of 45 images. Ex Bernie Day Collection. Click on the image below for a higher...
Green bromargyrite and bromian chlorargyrite crystals on chalcophanite with minor grey smithsonite. Acquired from David Vince in 1992. Width of view 1.75mm. Stack of 20 images. Click on the image below for a higher resolution...
Green cubic crystals of bromargyrite with bright native silver. Width of view 3.5mm. Stack of 50 images. Click on the image below for a higher resolution version.
Thin bladed prismatic deep pink erythrite crystals with globular pale pink to lilac Co-bearing mansfieldite on black heterogenite. Width of view 3.5mm. Stack of 60 images. Click on the image below for a higher resolution...
White brianyoungite with colourless-grey pyromorphite and stolzite, both of which fluoresce weakly. Ex Bernie and Margaret Day Collection. Photo width 3.5mm. Stack of 70 images. Click on the image below for a higher resolution version.
A twinned chabazite crystal about 0.6mm across. Single shot photo through my microscope at 20x magnification and cropped. Testing out this item. A cheap way of getting relatively good photos through a microscope.
Iridescent bornite in between layers of wollastonite. Ex David Vince. Width of view 3.5mm. Stack of 30 images.
Acquired from Mathew Latham. What looks like bismuth crystals bottom left is the imprint of andradite crystals. Width of view 3.5mm. Stack of 18 images. Click on the image below for a higher resolution version.
Colourless to tan crusts on bat guano. Type Locality. Width of view 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
A mass of small lustrous and sharp azurite crystals. Specimen measures 21mm across. Click on the image below for a higher resolution version.