There are 164 minerals sized at miniature.
Click on the mineral photo to see additional views of the specimen.
A highly unusual Tsumeb specimen (What a surprise!) consisting of a pair of stalactites composed of duftite (as a cast in one area), calcite and mottramite acts as host to a an assortment of glassy cerussite crystals. Ex Immelman collection, who acquired it in 1979.
Location: Tsumeb Mine, Tsumeb, Namibia
Dimensions: 5.2 x 2.5 x 1.4cm
Very sharp crystals of chalcocite (some with a bluish tint, probably a bornite coating) on matrix with clear calcite prisms. Rare to see a good chalcocite from this area, especially where the crystals are so sharp.
Location: White Pine Mine, Ontonagon County, Michigan
Dimensions: 4 x 3.2 x 2.5cm
Locality: North America