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Benyacarite Phosphosiderite & Bermanite

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CFL867081

Benyacarite Phosphosiderite & Bermanite

Type Locality

Description Tabs

Description
Locality: 
El Criollo Mine, Cerro Blanco, Tanti, Punilla Department, Córdoba, Argentina
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 3 × 1.2 cm
Description

Very nice type locality specimen of gemmy benyacarite microcrystals, some of which are pointed by arrows, associated with blue phosphosiderite and bermanite.

Mineral Data
What's on the rock

Benyacarite

Formula: 
(H2O,K)2(Mn2+,Fe2+)2(Fe3+,Ti)2Ti(PO4)4(O,F)2·14H2O
Strunz: 
8.DH.35
Crystal System: 
Orthorhombic
Hardness: 
2.5 - 3.0
Type Locality: 
El Criollo Mine, Cerro Blanco pegmatite district, Tanti, Punilla Department, Córdoba, Argentina

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

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