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Fetiasite

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BCK693594

Fetiasite

David Burgess Collection
Type Locality

Description Tabs

Description
Locality: 
Gorb, Lärchultini, Binn, Goms, Valais, Switzerland
Class: 
Massive/Crystalline
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.3 × 2.8 × 3 cm
Description

You are bidding on a large sample with a large, partial black crystal of fetiasite on albite/quartz/chlorite matrix from one of two known localities for this rare titanium bearing iron arsenate. David Burgess collection. 

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

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