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Montmorillonite & Calcite

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SHS1138640

Description Tabs

Description
Locality: 
Gaulsberg Quarry, Ortenberg, Wetterau, Darmstadt, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Thumbnail (1-3cm)
Size: 
2.3 × 1.8 × 1.8 cm
Description

Montmorillonite and calcite on matrix

Mineral Data
What's on the rock

Montmorillonite

Formula: 
(Na,Ca)0.33(Al,Mg)2(Si4O10)(OH)2·nH2O
Strunz: 
9.EC.40
Hardness: 
1.0 - 2.0
Streak: 
white
Type Locality: 
Montmorillon, Vienne, Poitou-Charentes, France

Calcite

Polymorph of: 
Aragonite and Vaterite
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

Current price

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Start 26 Jan 18:00
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Shipping Information

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Shipping Prices (registrated) for a mineral sample up to 500g:

Germany: 4,00 €,  EU : 7,20 € , non EU : 7,00

for a mineral sample up to 1000 g:

Germany: 4,00 €, EU: 9,35 €, non EU: 10,50 €

for a mineral sample up to 2000 g:

Germany: 4,00 €, EU: 19,35 €, non EU: 20,50 €

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