ATHENA MINERALOGY |
Mineral: | JANGGUNITE |
---|---|
Formula: | Mn4+5-x(Mn2+,Fe3+)1+xO8(OH)6 (x=0,2) |
Crystal System: | Orthorhombic |
IMA Number: | 1975-011 |
References: | MM 41 (1977), 519; HB3 (1997) |
Type Locality: | Janggun mine, Bonghwa, Korea |
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