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Andradite

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QRI827187

Andradite

Former collection Kasper (CH)
Classic Locality

Description Tabs

Description
Locality: 
Felskinn, Saas-Fee, Saas Valley, Zermatt - Saas Fee Area, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6.8 × 4.9 × 2.5 cm
Largest Crystal: 
1.90cm
Weight: 
76.00gr
Description

Aggregate of well-defined green-grey andradite crystals (var. demantoid) on metamorphosed ophiolitic matrix, with some white asbestos masses. Crystals are opaque and very contrastful, which is typical for this classic locality. The group size is almost 2 cm, quite sizeable.

Unlike Sferlun demantoids, Felskinn demantoids are quite uncommon and lesser renowned. 

Former collection Kasper (CH), date back to the 60s-70s.

Pasted Label
Mineral Data
What's on the rock

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway

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