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Bermanite

Type Locality
7U7 Ranch (7-U-7 Ranch), Bagdad Mine area, Hillside, Eureka District, Yavapai Co., Arizona, USA
Mineral Data
Mn2+Mn3+2(PO4)2(OH)2·4H2O
Strunz: 
8.DC.20
Physical Properties
Crystal System: 
Monoclinic
Hardness: 
3.5
Tenacity: 
brittle
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