COBALTOAN Smithsonite - image 1
COBALTOAN Smithsonite - image 2
specimen video

COBALTOAN Smithsonite

$7,500.00

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Crystal Classics
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Tucson, Arizona, USA
7,543 for sale·132 sold
A large lustrous Tsumeb Mine pink Cobaltoan Smithsonite over layed by black sulphide included Cobaltoan Smithsonite. Cobaltoan Smithsonite forms a rich inter-grown aggregate of crystals measuring to 1cm in ridges and raised areas. The underside of the specimen displays shows cavities lined with pink Cobaltoan Smithsonite within ribs and masses of black sulphides. A rich large specimen from the Jim Robison collection

Product details

Species
SmithsoniteAbout Smithsonite →
SizeLarge Cabinet
Dimensions9.0 x 15.5 x 4.8 cm
Listed on10/24/2024
Locality
Namibia, Oshikoto Region, TsumebRegional guide →
SKUCC9197

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Smithsonite
Mineral guide
Learn about Smithsonite
ZnCO3 with botryoidal and crystalline forms, silky to vitreous luster, pastel hues from cobalt to yellow; localities boost collecting appeal.
Smithsonite
Regional guide
Smithsonite from Tsumeb, Namibia
is one of the defining collector minerals of Tsumeb: not merely because it is common there, but because Tsumeb turns a usually massive or botryoidal zinc carbonate into a locality signature mineral with uncommon crystal variety, depth of color, and association. Tsumeb smithsonite spans the familiar apple-greens and blue-greens of copper-bearing material, soft pink to violet-pink cobaltoan and manganoan-looking rhombs, yellow-brown and chocolate-brown iron-rich crystals, pale grey to white crusts, colorless to translucent rhombs, and rare red-pink material from the deeper oxidized workings. The best specimens combine sharp rhombohedral or scalenohedral crystals with the sculptural mineralogical theater for which Tsumeb is famous: galena-rich sulfide matrix, sugary dolomite, black tennantite and pyrite ore, cerussite, mimetite, malachite, wulfenite, duftite, dioptase, and willemite.