Green libethenite with dark blue cornetite and botryoidal green pseudomalachite (not in photo). Width of view 3mm. Stack of 65 images. Ex Diederik Visser 6/2005. Click on the image below for a higher resolution version.
Labelled simply as Shaba, Zaire, based on photos in Mindat, L’Etoile du Congo Mine looks the most likely source. But you can never be sure! Platy crystals of libethenite with pale blue chrysocolla, lighter on...
A dark green (almost black) libethenite with a tiny amount of pale blue turquoise(?). From the 104 metre bench. Width of view 6mm. Stack of 98 images. Click on the image below for a higher...
White crystals of londonite on a liddicoatite crystal. Width of view 9mm. Stack of 40 images. Click on the image below for a higher resolution version.
Spheres of yellow to orange acicular karibibite crystals with small colourless to green scorodite crystals in gossan matrix. Width of view 6mm. Stack of 60 images. Click on the image below for a higher resolution...
From the 2390 ft level. Width of view 9mm. Stack of 40 images. Click on the image below for a higher resolution version.
Zoned green crystals of conichalcite as “V”-shaped crystals in germanite. Type Locality for germanite. Width of view 9mm. Stack of 45 images. Click on the image below for a higher resolution version.
Greenish yellow interpenetrant cube twin with interesting surface features. Width of view 9mm. Stack of 35 images. Click on the image below for a higher resolution version.
Pale yellow rhombohedral söhngeite crystals in gallite-germanite-tennantite matrix. Type locality for söhngeite and germanite. Width of view 6mm. Stack of 44 images. Second image (separate specimen) includes a tiny green crystal towards the top, perhaps...
Green iowaite with orange to brown chondrodite on colourless calcite. Minor black magnetite also present. Ex Bernie and Margaret Day Collection. Width of view calcite 3mm, stack of 35 images. Width of view iowaite 6mm,...
Labelled as hausmannite, but misidentified magnetite. Also labelled as muscovite, but the green crystal could be iowaite, clinochlore, phlogopite or muscovite. Ex Jo Price Collection. Width of view 9mm. Stack of 100 images. Click on...
This micro specimen came from the Jo Price Collection. Jo had acquired it from the late Jack Nelson. It is an old specimen simply labelled as mimetite, Tsumeb, SWA. The yellow-zoned “mimetite” crystals look odd...
Spherical aggregates of grey pseudohexagonal tabular manandonite crystals in a cavity in matrix. Type Locality. Ex Richard Bell Collection. Width of view 6mm. Stack of 40 images. Click on the image below for a higher...
A single lustrous red scalenohedral rhodochrosite crystal. Height of view 14.5mm. Click on the image below for a higher resolution version.
Nimite (Type Locality) is a chlorite group mineral (yellowish-green but can be stained by iron oxides), whilst népouite (bluish-green) is a serpentine group mineral. Ex Jim Ferraiolo. Width of view 6mm. Stack of 40 images....
A single crystal of emerald 7mm wide with a bluish tint. Click on the image below for a higher resolution version. Below: A closeup photo showing internal interference colours. Width of view 3.5mm. Click on...
Small orange crocoite with green pyromorphite. Width of view 11.5mm. Stack of 42 images. Click on the image below for a higher resolution version.
Dark red crystals and coating of cinnabar on quartz. Width of view 11.5mm. Stack of 75 images. This one of mine was mis-labelled. It is an old specimen, and the label read “Cinnabar, Digg’s Peak,...
Type Locality. Prismatic crystals of imiterite on dolomite. Width of view 5.75mm. Stack of 50 images. Click on the image below for a higher resolution version.
Tiny red thin platy crystals of fettelite, a rare mercury-silver mineral, with prismatic red proustite. Width of view 5.75mm. Stack of 90 images. Click on the image below for a higher resolution.
Silver minerals on a dolomite matrix. Ex Jo Price Collection. Native silver photo: Width of view 5.75mm. Stack of 35 images. Acanthite and imiterite photo: Width of view 5.75mm. Stack of 29 images. Imiterite photo:...
Small red twinned proustite crystals in a cavity. Ex Jo Price Collection. Width of view 5.75mm. Stack of 40 images. Click on the image below for a higher resolution version.
Sharp dark crystal. Ex Robert Kurcbart. Width of view 5.75mm. Stack of 40 images. Click on the image below for a higher resolution version.
Small red crystals in cavities in quartz. Width of view 11.5mm. Stack of 110 images. Click on the image below for a higher resolution version.
Japan Law Twin 19x15x8mm. Click on the image below for a higher resolution version.
Pale greenish-yellow crust of cerianite on white quartz. Ex Gerald Spinks Collection. Width of view 11.5mm. Stack of 44 images. Click on the image below for a higher resolution version.
A tiny fragment of this rare sheet silicate. Type Locality. Ex Gerald Spinks Collection. Width of view 5.75mm. Stack of 16 images. Click on the image below for a higher resolution version.
Yellow to greenish to black sand-sized grains of stibiotantalite in a small glass vial with a metal cap. The cap is stamped with Rudolph Flume Berlin. The vial is 20mm long.
Tiny piece in a capsule. Type Locality.
Yellow prismatic crystals. Previously known as uranophane-β, now parauranophane. Width of view 5.75mm. Stack of 165 images. Click on the image below for a higher resolution version.
Platy yellow crystals. Width of specimen 30mm. Click on the image below for a higher resolution version.
Purple octahedral fluorite inclusions in quartz. Width of view 5mm. Stack of 80 photos. Ex Jo Price Collection. Click on the image below for a higher resolution version.
Superb purple-pink crystals. Width of view 11.5mm. Stack of 108 images. Click on the image below for a higher resolution version.
Copal from this locality is about 2 million years old. This piece is ~30x30x10mm, is polished, and fluoresces bluish-white. It holds four beetles and a couple of smaller flies. Width of view 11mm. Stack of...
Specimen measures 38x37x30mm and is shown under white light, longwave UV, medium wave UV and shortwave UV.
Pareidolia! I see the head of a Big Cat in this small slug of gold in quartz. Photo width 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Orange crystal group with no matrix. Width of group 2mm. Stack of 18 images. Click on the image below for a higher resolution version.
This specimen comprises very dark purple crystals of erythrite, but the tips of the crystals flare out a little and show up as a lighter shade of pink. Width of view 3.5mm. Stack of 20...
Multi-terminated amethyst crystal, 70x50x40mm.
Yellow transparent prismatic crystals. Labelled as barium uranophane. Collected before 1980.
Time to cut the grass! A mass of jackstraw crystals of olivenite. Ex Ian Graham. Width of view 3.5mm. Stack of 40 images. Click on the image below for a higher resolution version.
Green prismatic crystals of olivenite. Interestingly, when you zoom in, particularly towards the top of the image, you can also see tiny white hexagonal crystals (likely mimetite) and rounded green crystals (likely copper-bearing adamite or...
Colourless to white tufts of oyelite. Ex Bob Rothenberg. Ex Rocko’s Minerals. Width of view 3.5mm. Stack of 30 images. Click on the image below for a higher resolution version.
Ex Joan Lamond Collection. Ex Ralph Segnit Collection. Photo width 11.5mm. Click on image below for a higher resolution version.
Acquired by Joan Lamond from Rob Sielecki in 1998 for $10.00.
Type Locality. Acquired by Joan Lamond in 1998 from Rob Sielecki for $10.00.
Type Locality. Colourless to white prismatic crystals.
Lustrous black octahedral crystals.
Nice sharp group of cassiterite crystals with a partial coating of fluorescent green hyalite opal. The hyalite fluoresces under longwave UV (Convoy) but is much brighter under shortwave. The green fluorescence is due to uranyl...
Grey rhombohedral smithsonite crystals with yellow mimetite. Specimen measures 49x28x20mm.
Pink drusy crystals of rhodochrosite coating acicular kutnohorite and white calcite that fluoresces red. 40x36x33mm.
White smithsonite, green malachite.
Pink villiaumite, brown tuperssuatsiaite, white ellingsenite, tiny brown unnamed Fe analogue of zakharovite, green prismatic aegirine, colourless albite. Type Locality for ellingsenite and unnamed Fe analogue of zakharovite. Villiaumite fluoresces red (Convoy LW) and nepheline...
Thin twinned crystal, partial sixling. Width 18.5mm. Stack of 170 images.
Lovely little thumbnail (in micro box) of a group of zoned golden mimetite crystals. Ex American Museum of Natural History (AMNH) Collection number 45287. Ex Eugene Carmichael Collection. AMNH received it as a gift from...
Yellow prismatic crystals that fluoresce orange-pink under longwave ultraviolet. Width 18.5mm. Stack of 200 images. Ex Ambros Kissling.
Orange-red hexagonal crystals in tabular and prismatic habits on cream-coloured barite plates. Width 11mm. Stack of 150 images. Close-up photo of a 30x27x20mm specimen.
A crudely-terminated 5mm tall bicoloured crystal (purplish-blue and greenish-grey) that has experienced dissolution. Stack of 100 images. Ex John Sobolewski. Ex Matt Gibbs.
Silver euhedral crystals. Width 11mm. Stack of 50 images. Ex Jo Price Collection.
Two sharp azurite crystals in a V formation with unidentified green and white minerals. Video best viewed full screen.
Slender quartz crystal with goethite inclusions and unknown black rhombohedral species. Video best viewed full screen.
Deep orange-red sharp crystals. Ex Brian Shelton Collection. Photo widths 9mm and 5mm.
Heavy specimen. Sharp pale blue crystals. Video best viewed full screen.
Deep orange-brown crystals, with some tan coloured faces. Video best viewed full screen.
5200-5203 mounted in one box. by Jules Bernhardt in 1976. Video best viewed full screen.
Sharp green dioptase crystals on calcite. Ex Roger Colling Collection. Video best viewed full screen.
Two separate habits of erythrite, distinct sharp dark purple crystals and small hemispheres of pink crystals. Video best viewed full screen.
Ex Barry Johnson Collection. Labelled as N’Chwaning II but should be N’Chwaning I according to Mindat. Video best viewed full screen.
Flattened hexagonal dipyramid yellow crystals with pronounced pinacoid faces, and with tiny colourless-white acicular crystals of quartz. Ex Barry Johnson Collection. Video best viewed full screen.
Black groutite on an unknown brown stalactitic mineral with calcite that fluoresces red. Ex Barry Johnson Collection.
Olmiite fluoresces bright red under longwave UV. Ex Barry Johnson Collection. Video best viewed full screen.
Ex Roger Colling Collection
Green fluorite with purple edges. The green is fluorescent but not the purple. Pale blue prismatic aqua. With the spate of fakes coming out of the region, I have examined this specimen very closely. It...
Greenish-black fragment of a crystal 5mm wide. Acquired from CK Minerals at the 2019 Nunawading Show.
Fibrous to prismatic purple crystals. 65x40x20mm. Closeup photo is 6.5mm wide.
Lustrous deep red crystals on one face. Specimen measures 87x40x23mm. Closeup photo is 14mm across.
Type Locality for both species
Rhombohedral crystals of smithsonite. Ex Jo Price Collection. Width of view 5mm. Stack of 30 images.
Ex Jack Nelson Collection. “Cuproadamite”
Type Locality. Tiny brown crystals on calcite, Peter Hall
Type Locality. Colourless crystals. Pink under LWUV. Labelled as Northern Rhodesia.,
Old label “SW-Afrika”., Helmut Braith
Three fairly sharp crystals, no matrix., Steve Ulatowski, New Era Gems, Grass Valley, California
Type Locality, Richard Bell
Dark pink/purple crystals protected in a cavity. Ex Darren Lucas.
Lustrous octahedral crystals.
So-called velvet malachite”. Purchased at Keystone
An aquamarine-tipped heliodor from a small recent find of unusual bi-coloured beryls and this piece comes from the lot that had some of the best colouration seen. The piece weighs approximately 0.9 grams and measures...
Cavities containing lustrous pink crystal groups.
Lovely cluster of colourless quartz crystals in parallel growth. Labelled as Jebel Imalo, Imilchil, High Atlas Mountains, Morocco.
Nice zoned yellow-white ettringite, superb colourless calcite, reddish andradite and minor hematite.
Light brown translucent crystals on matrix. Ex American Museum of Natural History (AMNH) Collection, numbered 49272. Jamie Newman of the museum has advised that the number should read 94272.
ex Bernie and Margaret Day Collection
ex Joan Lamond Collection, ex Mike Newnham. Sharp yellow crystals with tiny smithsonite(?) and inclusions of dioptase and a red mineral.
Proustite at Tsumeb not listed in Mindat. ex Joan Lamond Collection
Cluster of pale blue barite crystals.
Cluster of pale blue barite crystals. Purchased at Keystone, priced at $40.
Type Locality. Tiny piece with yellow kombatite, hausmannite and andradite(?). Ex Dan Weinrich, Ralph Merrill.
Cluster of emerald-green crystals
Clear quartz crystal with inclusions collected by Pierre Joubert on a friend’s farm near Ceres.
Collected by Pierre Joubert. Vredendal is pronounced with an F” sound.”
Collected by Pierre Joubert. Vredendal is pronounced with an F” sound.”
Danny Jones Firebird Minerals
Jim Ferraiolo 6/2005
Robert Kurcbart 4/2005
Robert Kurcbart 4/2005
Cederick Gineste 2/2005
Alison Sewell in Johannesburg
Adam Wright 2/2005
Light green fluorite octahedrons are featured here partially blanketed with white druzy quartz. The faces of the fluorite has medium luster. The piece measures 1 1/2″ wide by3 3/8″ tall by 1 1/2″ front to...
Type locality for arisite-(Ce) which is pale pinkish thin hexagonal plates. Tuperssuatsiaite is brownish-red sprays
Ex Al Ordway No. 188. Gift from D. Pohl. Dark blue crystals
Type locality for giniite. Tavorite green, giniite black
Bright red crystals in hausmannite and quartz matrix
Faceted tanzanite gem 0.47 carats
Ruby. Kerry Banks Collection
Type Locality. ex Joan Lamond Collection
Micaceous crystal fragment
Capsule. Originally from Clive Quiet, 2005
White hexagonal plates. Other species present (maybe fluorapatite, analcime, albite?). Collected in 1994.
