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Asbecasite & Cafarsite

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JYJ905051

Asbecasite & Cafarsite

Description Tabs

Description
Locality: 
Binn Valley, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.4 × 3 × 2.4 cm
Description

Yellow asbecasite with brown cafarsite from the Binn valley, Switzerland. 

Mineral Data
What's on the rock

Asbecasite

Formula: 
Ca3(Ti,Sn4+)Be2(AsO3)6(SiO4)2
Strunz: 
4.JB.30
Crystal System: 
Trigonal
Hardness: 
6.5 - 7.0
Type Locality: 
Wanni glacier - Scherbadung area (Monte Cervandone), Kriegalp Valley (Chriegalp Valley), Binn Valley, Wallis (Valais), Switzerland

Cafarsite

Formula: 
Ca5.9Mn1.7Fe3Ti3(AsO3)12·4-5H2O
Strunz: 
4.JC.05
Crystal System: 
Isometric
Hardness: 
5.5 - 6.0
Type Locality: 
Wanni glacier - Scherbadung area (Monte Cervandone), Kriegalp Valley (Chriegalp Valley), Binn Valley, Wallis (Valais), Switzerland