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Proto-Ferro-Anthophyllite

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Magnesium-iron-manganese Amphibole Subgroup > w(OH, F, Cl)-dominant Amphibole Group

Group Parent: 
Type Locality
Cheyenne Mountains area, El Paso County, Colorado, United States of America Or Tawara, Hirukawa, Gifu Prefecture, Chubu Region, Honshu Island, Japan
Mineral Data
☐{Fe22+}{Fe52+}(Si8O22)(OH)2
Synonyms
Synonyms: 
IMA1986-006