ATHENA MINERALOGY |
Mineral: | HELMUTWINKLERITE |
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Formula: | Pb(Zn,Cu)2(AsO4)2(OH,H2O)2 |
Crystal System: | Anorthic (Triclinic) |
Group: | Tsumcorite group |
IMA Number: | 1979-010 |
References: | NJMM (1980), 118; EJM 10 (1998), 179; HB4 (2000) |
Type Locality: | Tsumeb, Otjikoto Region, Namibia |
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