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Allophane

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Watches:
SLN649953

Allophane

Description Tabs

Description
Locality: 
Monte Copello-Reppia Prospect, Reppia, Genoa Province, Liguria, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
6.1 × 8.8 × 4.7 cm
Weight: 
128.00gr
Description

Very nice and aesthetic specimen from Monte Copello mine of allophane in balls of a beautiful and intense sky blue color in graduated shading. Allophane in present in different sides of the piece as shown by photos

Mineral Data
What's on the rock

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

Seller Information

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