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Bartelkeite
Type Locality
Tsumeb Mine (Tsumcorp Mine), Tsumeb, Otjikoto Region (Oshikoto), Namibia
Mineral Data
Pb(Fe
2+
Ge)[Ge
2
O
7
](OH)
2
·H
2
O
Strunz:
9.J0.10
Physical Properties
Crystal System:
Monoclinic
Streak:
White
Hardness:
4.0
