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Manganoan Smithsonite, Tsumeb Mine, Tsumeb, Namibia, Small Cabinet, 7.5 x 6.7 x 2.8 cm, Manganoan smithsonite is distinct from the more common cobaltian varietal for the unique color of maroon, combined with a sharp crystal habit and characteristic luster., For sale from The Arkenstone, www.iRocks.com. For more details on this piece and others, visit http://www.irocks.com/minerals/specimen/45121

CERUSSITE (reticulated crystal habit) (also known as lead carbonate or white lead ore) is a mineral consisting of lead carbonate (PbCO3), and an important ore of lead. Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia, Africa

Crystals of Mimetite form as wheatsheaf-like groups of slender prismatic habit. From the Tsumeb Mine, Namibia. Crystal Classics Minerals

CALCITE with MOTTRAMITE A super specimen of Calcite from the celebrated Tsumeb Mine, Namibia. Well developed inter grown lenticular crystals of Calcite, measuring to 3.5cm, displaying striated stepped habit faces, many are accented by reddish inclusions of Goethite toward their edges. Crystals of Calcite have formed from a thin matrix of arborescent green Mottramite.

A super specimen of lustrous yellow Mimetite from Tsumeb, Namibia, displaying a pyramid multi terminated crystal, displaying a vertical cone of parallel growth habit, measuring to 2.7cm tall.

An intriguing formation of Descloizite from Berg Aukas, Namibia. Very few specimens were found displaying this unusual crystal habit of Descloizite from the location

TSU12-12 - Smithsonite - $ 2200 Tsumeb Mine, Tsumeb, Namibia miniature, 4.5 x 2.8 x 2.3 cm. A color-contrasting, tan matrix, possibly dolomite, is the host for intergrown crystals of lustrous and translucent, apple green, cupro-smithsonite, to 8 mm across. This sharply formed crystal habit is rare for smithsonite in general, and noted for these Tsumeb greens as one of the finest habits to own. They were rarely found and tend to command a premium in price, accordingly.

LEITEITE with LUDLOCKITE Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia A large area of the rare Tsumeb Mine mineral Leiteite with associated Ludlockite, covers an area to 3.7cm x 1.8cm on a grey mixed sulphide matrix. The Leiteite is pearly lustrous white with the characteristic platy habit. An orange fibrous area of Ludlockite is seen at one end of the Leiteite, with deep to light brown Zincain Siderite crystals.