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Siderite On Pericline

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CR703907

Siderite On Pericline

Description Tabs

Description
Locality: 
Rhône Glacier, Furka, Oberwald, Goms, Valais, Switzerland
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
14 × 4.8 × 4 cm
Largest Crystal: 
4.50cm
Description

A huge siderite crystal on a bed of pericline crystals from Switzerland.

Very attractive old specimen.

Collected 1986 - ex J. Henrich collection and label.

Ex Wolfgang Wendel collection.

Mineral Data
What's on the rock

Siderite

Formula: 
FeCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.5 - 4.5
Streak: 
White

Pericline

Variety Of: 

Albite

Formula: 
NaAlSi3O8
Strunz: 
9.FA.35
Hardness: 
6.0 - 6.5
Hardness: 
0.0