ATHENA MINERALOGY |
Mineral: | SAMUELSONITE |
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Formula: | (Ca,Ba)Ca8(Fe2+,Mn2+)4Al2(PO4)10(OH)2 |
Crystal System: | Monoclinic |
IMA Number: | 1974-026 |
References: | AM 60 (1975), 957; HB4 (2000) |
Type Locality: | Palermo Nr 1 pegmatite, North Groton, Grafton Co., New Hampshire, USA |
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