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Fianelite

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SMM586895

Fianelite

Type Locality
Rare Mineral

Description Tabs

Description
Locality: 
Fianel, Ausserferrera, Ferrera Valley, Hinterrhein, Grisons, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 1.5 × 1 cm
Description

An exceptionally rich sample of this very rare mineral, found here, in its type locality, in the world it's reported in only an other locality, in Japan. It is present here in deep-red and red-orange color crystals aggregates, scattered on the matrix, a really outstanding sample, very hard to find. The second and last that I have of this fine quality.  

Boxed with Label
Mineral Data
What's on the rock

Fianelite

Formula: 
Mn2+2((V,As)2O7)·2H2O
Strunz: 
8.FC.05
Crystal System: 
Monoclinic
Hardness: 
3.0
Type Locality: 
Fianel Mine, Ausserferrera, Ferrera Valley, Hinterrhein Valley, Grischun (Grisons; Graubünden), Switzerland

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