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Prehnite & Epidote

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MGR215140

Prehnite & Epidote

Description Tabs

Description
Locality: 
Djouga-Kolon, Bendougou, Bafoulabé Circle, Kayes Region, Mali
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.4 × 2 × 2 cm
Description

The assemble of this specimen makes it stand out from the crowd! One glossy epidote crystal is covered by spheres of apple green prehnite, the largest on on the top. Perfect aesthetic, undamaged. Bottom of epidote was on the rock.

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...