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Geminite & Yvonite

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SMM857606

Geminite & Yvonite

Rare Mineral

Description Tabs

Description
Locality: 
Salsigne Mine, Salsigne, Aude, Occitanie, France
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2 × 2 × 2 cm
Description

A sample of sparkling metallic crystalline bismuth host very nice aqua-green, glassy, sharp crystals of geminite and pale blue yvonite. Good specimen.

Boxed with Label
Mineral Data
What's on the rock

Geminite

Formula: 
Cu(HAsO4)·H2O
Strunz: 
8.CB.30
Hardness: 
3.0 - 3.5
Type Locality: 
Cap Garonne Mine, Le Pradet, Var, Provence-Alpes-Côte d'Azur, France...

Yvonite

Formula: 
Cu(HAsO4)·2H2O
Strunz: 
8.CB.25
Crystal System: 
Triclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Salsigne mine, Salsigne, Mas-Cabardès, Carcassonne, Aude, Languedoc-Roussillon, France

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