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Dolomite On Siderite

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TBM806065

Dolomite On Siderite

Description Tabs

Description
Locality: 
La Mure, Isère, Auvergne-Rhône-Alpes, France
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.5 × 5.5 × 4.5 cm
Weight: 
209.00gr
Description

Aesthetic simple with rhombohedral up to 20mm size white cluster aggregate of Dolomite on lenticular brown Siderite crystals

Mineral Data
What's on the rock

Dolomite

Formula: 
CaMg(CO3)2
Strunz: 
5.AB.10
Crystal System: 
Trigonal - Rhombohedral
Hardness: 
3.5 - 4.0
Streak: 
White

Siderite

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