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Ferroalluaudite

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SHS924394

Ferroalluaudite

Description Tabs

Description
Locality: 
Pleasant Valley, Fourmile, Custer County, South Dakota, United States of America
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1 × 0.8 cm
Description

Nice ferroalluaudite in matrix

Mineral Data
What's on the rock

Ferroalluaudite

Formula: 
(Na,Ca)Fe2+(Fe3+,Mn2+,Fe2+)2(PO4)3
Strunz: 
8.AC.10
Hardness: 
5.0 - 5.5
Type Locality: 
Chanteloube, Razès, Haute-Vienne, Limousin, France