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Fetiasite

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ESM632439

Fetiasite

Description Tabs

Description
Locality: 
Gorb, Lärchultini, Binn, Goms, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
1 × 1.5 × 1.3 cm
Description

Black fetiasite crystals on matrix

Mineral Data
What's on the rock

Fetiasite

Formula: 
(Fe3+,Fe2+,Ti)3(As2O5)O2
Strunz: 
4.JB.05
Crystal System: 
Monoclinic
Hardness: 
5.0
Type Locality: 
Mt Cervandone (Scherbadung; Cherbadung), Devero Alp, Baceno, Devero Valley, Antigorio Valley, Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy