ATHENA MINERALOGY Search Mineral Group: Hjalmarite group |
Mineral | Formula | Group | System |
---|---|---|---|
HJALMARITE | Na(NaMn)Mg5Si8O22(OH)2 | Amphibole supergroup, with (OH,F,Cl) dominant. Na-(Mg-Fe-Mn) subgroup. Hjalmarite group | M |
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