ATHENA MINERALOGY |
Mineral: | ROBERTSITE |
---|---|
Formula: | Ca6Mn3+9(PO4)9O6(H2O)6.3H2O |
Crystal System: | Monoclinic |
Group: | Mitridatite group |
IMA Number: | 1973-024 |
References: | AM 59 (1974), 48; MM 52 (1988), 505; HB4 (2000) |
Type Locality: | Tip Top pegmatite, Custer, Custer Co., South Dakota, USA |
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