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Siderite On Quartz

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TBM826086

Siderite On Quartz

Classic Locality

Description Tabs

Description
Locality: 
La Mure, Isère, Auvergne-Rhône-Alpes, France
Class: 
Crystals on Matrix
Size Range: 
Cabinet (10-18 cm)
Size: 
9 × 6 × 15 cm
Weight: 
44.00gr
Description

Very particular sample with lenticular and wavy crystals up to 12 mm side,  in the shape of a yellow brown siderite leaf implanted on a carpet of needle-like crystals of hyaline quartz crystals

Mineral Data
What's on the rock

Siderite

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

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White