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Bermanite & Phosphosiderite

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SER107331

Bermanite & Phosphosiderite

Description Tabs

Description
Locality: 
Boa Vista Pegmatite, Conselheiro Pena, Minas Gerais, Brazil
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 2.5 cm
Description

some red bermanite crystals on tabula, pale blue phosphosiderite crystals

Mineral Data
What's on the rock

Bermanite

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

Phosphosiderite

Formula: 
FePO4·2H2O
Strunz: 
8.CD.05
Hardness: 
3.5 - 4.0
Type Locality: 
Kalterborn Mine, Eiserfeld, Siegerland, North Rhine-Westphalia, Germany