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

COBALTOAN Smithsonite

$1,800.00

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Crystal Classics
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Tucson, Arizona, USA
7,579 for sale·132 sold
A triangular thin plate of matrix is entirely overgrown with distorted rhombohedral crystals of Cobaltoan Smithsonite, which range from 0.3 to 1.3 cm across. A specimen from the Tsumeb mine in Namibia, the crystals tend to be flattened, so tending towards lenticular prisms and are of a mid-candy pink which grade toward light grey in one corner. The crystals have a variable lustre, from satin-matt to semi-lustrous. A lovely example.

Product details

Species
SmithsoniteAbout Smithsonite →
SizeSmall Cabinet
Dimensions7.0 x 7.3 x 2.4 cm
Listed on10/24/2024
Locality
Namibia, Oshikoto Region, TsumebRegional guide →
SKUCC8431

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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.