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Prehnite & Calcite

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MEX732281

Prehnite & Calcite

Classic Locality

Description Tabs

Description
Locality: 
Burgberg Quarry, Steffenberg, Marburg-Biedenkopf, Giessen Region, Hesse, Germany
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.6 × 2.6 × 1.4 cm
Weight: 
18.00gr
Description

Nice small specimen with well terminated green prehnite balls. The balls shows the typical surface.

Mineral Data
What's on the rock

Prehnite

Formula: 
Ca2Al2Si3O10(OH)2
Strunz: 
9.DP.20
Hardness: 
6.0 - 6.5
Streak: 
White
Type Locality: 
Karoo dolerites, Cradock, Chris Hani District, Eastern Cape Province, South Africa

Calcite

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

Current price

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10
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Start 11 Feb 13:00
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Shipping Information

Postage Area Price
Germany
7
Europe
8
worldwide
$9