MINERALOGY
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ATHENA
MINERALOGY |
| Mineral: | GEFFROYITE |
| Formula: | (Ag,Cu,Fe)9(Se,S)8 |
| Crystal System: | Cubic |
| Strunz Nr: | 2/B.16-40 |
| Group: | Pentlandite Group |
| References: | TMPM 29 (1982), 151; HB1 (1990) |
| Type Locality: | Chaméane, Vernet-la-Varenne, Livardois Mts, Puy-de-Dôme, France |
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