Minerals identify

Know how to recognize them

Tsumebite

Phosphate mineral

Tsumebite is a rare phosphate mineral named in 1912 after the locality where it was first found, the Tsumeb mine in Namibia, well known to mineral collectors for the wide range of minerals found there. Tsumebite is a compound phosphate of lead , formula Pb2Cu(PO4)(SO4)(OH). There is a similar mineral called arsentsumebite group PO4 is replaced by the arsenate group AsO4, giving the formula Pb2Cu(AsO4)(SO4)(OH). Both minerals are members of the brackebuschite group.

Identification

Color of mineral

Green

Luster ( interacts light )

Adamantine
Vitreous

Crystal ( diaphaneity )

Monoclinic