SCHAURTEITE with Dolomite in GERMANITE
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Tucson, Arizona, USASchaurteite is one of Tsumeb's unique secondary species, formed by the remarkably complex geochemistry of the deposit. Chemically, calcium germanium sulphate hydroxide hydrate, it formed through the oxidation of germanium- and sulphur-bearing Germanite in contact with calcium-bearing Dolomite/Calcite. This large miniature specimen is mostly massive Germanite, but a vein of Dolomite/Calcite within the centre contains patches of silky fibrous Schaurteite. In places, the vein reaches 18 mm wide, and the Schaurteite occurs in at least one patch 12 x 14 mm in area. A very rich matrix specimen of this extremely rare species, that allows its geochemical context to be understood. Rare indeed.
Product details
Species
SizeSmall Cabinet
Dimensions6.3 x 5.3 x 3.2 cm
Listed on12/02/2024
Locality
SKUCC27619
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Mineral guide
Learn about Dolomite
classic carbonate prized for sculptural rhombohedra, luster, and colors from snow-white to pink, including cobaltoan varieties; ideal for cabinets.
Regional guide
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