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Metavivianite & Hureaulite & Triphylite

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SHS741187

Metavivianite & Hureaulite & Triphylite

Description Tabs

Description
Locality: 
Sapucaia Mine, Sapucaia do Norte, Galiléia, Minas Gerais, Brazil
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1.5 × 2 cm
Description

Metavivianite and hureaulite on triphylite

Mineral Data
What's on the rock

Metavivianite

Formula: 
Fe2+Fe3+2(PO4)2(OH)2·6H2O
Strunz: 
8.DC.25
Hardness: 
1.5 - 2.0
Type Locality: 
Big Chief Mine (Johnson pegmatite), Glendale, Keystone District, Pennington Co., South Dakota, USA

Hureaulite

Formula: 
(Mn,Fe)5(PO4)2(HPO4)2·4H2O
Strunz: 
8.CB.10
Hardness: 
5.0
Type Locality: 
Les Hureaux, Saint-Sylvestre, Haute-Vienne, Limousin, France

Triphylite

Formula: 
LiFe2+PO4
Strunz: 
8.AB.10
Crystal System: 
Orthorhombic
Hardness: 
4.0
Type Locality: 
Hühnerkobel Mine (Hennenkobel Mine), Rabenstein, Zwiesel, Lower Bavaria, Bavaria, Germany