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Chalcophyllite Carbonatecyanotrichite Allophane

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SMM675044

Chalcophyllite Carbonatecyanotrichite Allophane

Classic Locality

Description Tabs

Description
Locality: 
Salsigne Mine, Salsigne, Aude, Occitanie, France
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 2.5 × 1.8 cm
Description

Nice, rich, specimen, with emerald green groups of chalcophyllite crystals scattered on the matrix, and miror blue-green glossy allophane.

Boxed with Label
Mineral Data
What's on the rock

Chalcophyllite

Formula: 
Cu18Al2(SO4)3(AsO4)3(OH)27·33H2O
Strunz: 
8.DF.30
Crystal System: 
Trigonal
Hardness: 
2.0

Carbonatecyanotrichite

Formula: 
Cu4Al2(CO3,SO4)(OH)12·2H2O
Strunz: 
7.DE.10
Hardness: 
2.0
Colour: 
Pale blue
Type Locality: 
Balasauskandyk V Deposit, Karatau Range, Southern Kazakhstan Province (Ongtüstik Qazaqstan Oblysy; Yuzhno-Kazakhstanskaya Oblast'), Kazakhstan...

Allophane

Formula: 
(Al2O3)(SiO2)1.3-2·2.5-3H2O
Strunz: 
9.ED.20
Crystal System: 
Amorphous
Hardness: 
3.0
Streak: 
White
Type Locality: 
Gräfenthal, Thuringian Forest, Thuringia, Germany

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