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Armenite

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SER1078300

Armenite

ex Americo Urbinati collection

Description Tabs

Description
Locality: 
Wasen Alp, Simplon Pass, Brig, Valais, Switzerland
Class: 
Crystal Group/Cluster
Size Range: 
Thumbnail (1-3cm)
Size: 
2.5 × 2.1 × 0.3 cm
Description

several colourless, prismatic crystals of armenite

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