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Whiteite-(MnFeMg) & Hureaulite

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SER653362

Whiteite-(MnFeMg) & Hureaulite

Description Tabs

Description
Locality: 
Eduardo Claim, Conselheiro Pena, Minas Gerais, Brazil
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.9 × 2.1 × 1.1 cm
Description

Several groups of tiny, elongated crystals of whiteite with pink, trasparent hureaulite

Mineral Data
What's on the rock

Whiteite-(MnFeMg)

Formula: 
{(Mn2+,Ca)}{(Fe2+,Mn2+)}{Mg2}{Al2}(PO4)4(OH)2·8H2O
Strunz: 
8.DH.15
Hardness: 
4.0
Colour: 
Brown
Type Locality: 
Ilha claim, Taquaral, Itinga, Jequitinhonha valley, Minas Gerais, Brazil

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