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Armenite & Zoisite

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JYJ919866

Armenite & Zoisite

Description Tabs

Description
Locality: 
Isenwegg, Wasen Alp, Simplon Pass, Brig, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 2.7 × 2 cm
Description

Colourless armenite crystals with beige zoisite in cavities on matrix. 

 

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

Zoisite

Formula: 
{Ca2}{Al3}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.10
Hardness: 
6.0 - 7.0
Streak: 
White
Type Locality: 
Prickler Halt, Ladinger Spitze - Speikkogel area, Saualpe, Carinthia, Austria