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 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.
Yellow transparent prismatic crystals. Labelled as barium uranophane. Collected before 1980.
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.
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.
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.
8514 Villiaumite, Tuperssuatsiaite, Ellingsenite, Unnamed Fe Analogue of Zakharovite, Aegirine, Albite, Nepheline, Aris Quarries, Aris, Windhoek Rural, Khomas Region, Namibia
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...
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.
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.
Two sharp azurite crystals in a V formation with unidentified green and white minerals. Video best viewed full screen.
Sharp green dioptase crystals on calcite. Ex Roger Colling 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...
ncat JP3744 Zincolivenite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Oshikoto Region (Otjikoto Region), Namibia
Ex Jack Nelson Collection. “Cuproadamite”
Type Locality. Tiny brown crystals on calcite, Peter Hall
4701 Calcite, Mottramite, Sphalerite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Old label “SW-Afrika”., Helmut Braith
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...
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
Type Locality. Tiny piece with yellow kombatite, hausmannite and andradite(?). Ex Dan Weinrich, Ralph Merrill.
Cluster of emerald-green crystals
Jim Ferraiolo 6/2005
Adam Wright 2/2005
6054 Arisite-(Ce), Tuperssuatsiaite, Analcime, Aegirine, Aris Quarries, Aris, Windhoek District, Namibia
Type locality for arisite-(Ce) which is pale pinkish thin hexagonal plates. Tuperssuatsiaite is brownish-red sprays
Type locality for giniite. Tavorite green, giniite black
Bright red crystals in hausmannite and quartz matrix
Micaceous crystal fragment
Capsule. Originally from Clive Quiet, 2005
1668 Arisite-(La), Tuperssuatsiaite, Aegirine, Aris Quarries (Ariskop Quarry; Railway Quarry), Aris, Windhoek District, Khomas Region, Namibia
White hexagonal plates. Other species present (maybe fluorapatite, analcime, albite?). Collected in 1994.
Lustrous red cuprite crystals. Ex Trevor Boyd Collection.
0505 Olivenite, Conichalcite?, Cornwallite?, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
This 2.5 cm. x 1.3 cm. mount doesn’t require magnification to appreciate, and it could be displayed as a thumbnail. And then there’s the provenance, which features among other interesting aspects, the ID hand written...
0360 Sohngeite, Gallite, Germanite, Tennantite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
Sohngeite crystals in gallite-germanite-tennantite matrix. Type locality for sohngeite and germanite
0877 Dioptase, Wulfenite, Minrecordite, Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia
2.2×1.6×1.5cm specimen of dioptase crystals with wulfenite crystals and zincian dolomite or minrecordite (not known if tested) from Tsumeb, Namibia. Ex Virgin Valley Sales. View Larger Map | Get Directions