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Quartz Andradite & Epidote

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PFK115725

Quartz Andradite & Epidote

Description Tabs

Description
Locality: 
Kimmeria, Xanthi, East Macedonia and Thrace, Greece
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 3.7 × 1.3 cm
Description

This is an excellent combo specimen of green quartz(from Xanthi!), andradite(skeletal?) and epidote crystals. It displays the three "most wanted" minerals from this locality(the unusual garnet, green quartz and epidote).

Mineral Data
What's on the rock

Quartz

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

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Crystal System: 
Isometric
Hardness: 
6.5 - 7.0
Streak: 
White
Type Locality: 
Drammen, Buskerud, Norway

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...

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