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Allophane

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UMM766982

Allophane

Description Tabs

Description
Locality: 
Kalwang, Leoben District, Styria, Austria
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.5 × 2.5 × 2 cm
Description

This is blue Allophane on matrix from Kalwang / Leoben / Steiermark / Austria.

Boxed with Label
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

Payment options: offline, paypal_wpp, paypal_wps

Seller's terms and conditions

Es gelten die allgemeinen Geschäftsbedingungen nach deutschem BGB.