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Epidote & Prehnite

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CLB501918

Epidote & Prehnite

directly from the mines, seller's West African trip 2011

Description Tabs

Description
Locality: 
Diakon Commune, Cercle de Bafoulabé, Kayes Region, Mali
Class: 
Crystal Group/Cluster
Size Range: 
Small cabinet (7-10 cm)
Size: 
7.3 × 6.3 × 3 cm
Largest Crystal: 
4.00cm
Description

A big, glossy, double-terminated epidote crystal of 4 cm length in the middle of a compact prehnite-epidote mix. Only a minor ding at the edge of the large crystal.

Mineral Data
What's on the rock

Epidote

Formula: 
{Ca2}{Al2Fe3+}(Si2O7)(SiO4)O(OH)
Strunz: 
9.BG.05a
Crystal System: 
Monoclinic
Hardness: 
6.0
Streak: 
Colorless
Type Locality: 
Bourg d'Oisans, Isère, Rhône-Alpes, France...

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

Seller Information

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