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Epidote & Prehnite

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UVM800775

Epidote & Prehnite

Classic Locality

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Description
Locality: 
Lane & Son Quarries, Westfield, Hampden County, Massachusetts, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
6 × 3.1 × 1.5 cm
Description

Sharp green crystals of epidote associated with pale crystals of prehnite.

From the estate of noted California collector and dealer Charles Trantham.

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
Labels
Label Images - only: Epidote & Prehnite

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