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Serrabrancaite Natrojarosite Phosphosiderite & Bermanite

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SER870981

Serrabrancaite Natrojarosite Phosphosiderite & Bermanite

Description Tabs

Description
Locality: 
Bode Claim, Conselheiro Pena, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.7 × 5.8 × 3.4 cm
Description

this is the third brazilian locality for serrabrancaite, still not published ; two tiny brown tufts with red bermanite that I found in this mine on 2014, here with several clusters of yellow natrojarosite

Mineral Data
What's on the rock

Serrabrancaite

Formula: 
MnPO4·H2O
Strunz: 
8.CB.05
Crystal System: 
Monoclinic
Hardness: 
3.5
Type Locality: 
Serra Branca pegmatite, Pedra Lavrada, Borborema mineral province, Paraíba, Brazil

Natrojarosite

Formula: 
NaFe3(SO4)2(OH)6
Strunz: 
7.BC.10
Hardness: 
2.5 - 3.5
Type Locality: 
Soda Springs Valley, Mineral Co., Nevada, USA

Phosphosiderite

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