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Epidote & Quartz

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SPH183080

Epidote & Quartz

Description Tabs

Description
Locality: 
Prince of Wales Island, Ketchikan District, Alaska, United States of America
Size Range: 
Miniature (4.5-7 cm)
Size: 
4.8 × 5.2 × 3.2 cm
Largest Crystal: 
2.60cm
Description

This specimen of epidote crystals on quartz is in almost perfect condition with a crystallized backside and, most importantly, a wonderful combination of striking epodote with lustrous quartz, some of which contains nice phantoms. Most appealing is the largest of the epidote crystal, with a size of about 2.4 cm in length and 1.2 cm thickness! Most impressive and very nice in person!

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...

Quartz

Formula: 
SiO2
Strunz: 
4.DA.05
Crystal System: 
Trigonal
Hardness: 
7.0
Streak: 
White
Saphira Minerals