ATHENA MINERALOGY |
Mineral: | ANNITE |
---|---|
Formula: | KFe2+3AlSi3O10(OH)2 |
Crystal System: | Monoclinic |
Group: | Mica group. True micas. Trioctahedral |
IMA Number: | 1998 s.p. |
References: | Phys. Chem. Min. 20 (1993), 382; HB2/1 (1995); CM 36 (1998), 905 |
Type Locality: | Cape Anne, Essex Co., Massachusetts, USA |
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