ATHENA MINERALOGY |
Mineral: | GEFFROYITE |
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Formula: | (Ag,Cu,Fe)9(Se,S)8 |
Crystal System: | Cubic |
Group: | Pentlandite group |
IMA Number: | 1980-090 |
References: | TMPM 29 (1982), 151; HB1 (1990) |
Type Locality: | Chaméane, Vernet-la-Varenne, Livardois Mts, Puy-de-Dôme, France |
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