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Siderite & Pyrite

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CR749960

Siderite & Pyrite

Classic Locality

Description Tabs

Description
Locality: 
Mésage Mine, Saint-Pierre-de-Mésage, Vizille, Isère, Auvergne-Rhône-Alpes, France
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
12.5 × 9 × 3.8 cm
Weight: 
500.00gr
Description

This is a fantastic old specimen of large and sharp, lenticular siderite crystals with golden pyrite crystals and minor gemmy quartz crystals.

A very good specimen from Christian Weise 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

Pyrite

Formula: 
FeS2
Strunz: 
2.EB.05a
Crystal System: 
Isometric
Hardness: 
6.0 - 6.5