Specimen #540

Name: Calcite on Mottramite

Type: Mineral

Locality: Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto (Oshikoto) Region, Namibia

Favorite? N

Fluorescent? N

Size: 8.7 x 6.6 x 5.1 cm

Weight:

Acquired: 2007-12-20

Source: Arkenstone Auction

Label: Y

Comment: A SHARP AND CLASSIC rhombohedron, simple in geometry and all the more striking for this, sits perched atop a stalk of mottramite completely covered on all sides by smaller calcites. This is a VERY dramatic specimen, overall! This sharp, simple rhomb is the most desirable form of Tsumeb calcites , to me. But few specimens present so well. Ex. Charles Locke Key Collection.

Minerals: Calcite (CaCO₃) Mottramite (PbCu(VO₄)(OH))

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