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Variscite & Bermanite

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CR178098

Variscite & Bermanite

Description Tabs

Description
Locality: 
Boa Vista Pegmatite, Conselheiro Pena, Minas Gerais, Brazil
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 4 × 3 cm
Description

Very rich specimen of tiny red variscite microcrystals, blue phosphosiderite and redbrown bermanite in rockbridgeite matrix.

Beautiful under the microscope !

Mineral Data
What's on the rock

Variscite

Formula: 
AlPO4·2H2O
Strunz: 
8.CD.10
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.5
Streak: 
White
Type Locality: 
Meßbach Quarry, Meßbach, Plauen, Vogtland, Saxony, Germany

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