ATHENA MINERALOGY |
Mineral: | JACOBSITE |
---|---|
Formula: | (Mn2+,Fe2+,Mg)(Fe3+,Mn3+)2O4 |
Crystal System: | Cubic |
Group: | Spinel supergroup. Oxyspinel group. Spinel subgroup |
IMA Number: | 1982 s.p. |
References: | DAN Earth Sci. 314 (1990), 174; HB3 (1997) |
Type Locality: | Jakobsberg mine, Nordmark, Filipstad, Värmland (Varmland, Wermland), Sweden |
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