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Prehnite & Epidote

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CLB185803

Prehnite & Epidote

directly from the mines, West Africa trip 2012

Description Tabs

Description
Locality: 
Diakon Commune, Cercle de Bafoulabé, Kayes Region, Mali
Size Range: 
Cabinet (10-18 cm)
Size: 
16.8 × 10 × 5.5 cm
Description

Very nice, deep green, botryoidal prehnite with black, shiny epidote crystals. Most of the epidote crystals are on the backside and damaged.

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

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...

Seller Information

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