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Armenite

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SER558821

Armenite

ex coll. Domenico Forloni

Description Tabs

Description
Locality: 
Wasen Alp, Simplon Pass, Brig, Valais, Switzerland
Class: 
Crystal Group/Cluster
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 1.9 × 1.4 cm
Description

A group of white, prismatic armenite crystals from Domenico Forloni's collection

Mineral Data
What's on the rock

Armenite

Formula: 
BaCa2Al6Si9O30·2H2O
Strunz: 
9.CM.05
Crystal System: 
Orthorhombic
Hardness: 
7.5
Streak: 
White
Type Locality: 
Armen Mine, Overberget Mining Field, Kongsberg Silver Mining District, Kongsberg, Buskerud, Norway