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Epidote On Prehnite

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SHS17495

Epidote On Prehnite

Description Tabs

Description
Locality: 
Sadiola, Commune Sadiola, Cercle de Kayes, Kayes Region, Mali
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.7 × 4.5 × 2.7 cm
Largest Crystal: 
1.70cm
Description

Epidote Crystalls on a green Prehnite-Ball.

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