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Andradite Epidote & Quartz

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PFK800763

Andradite Epidote & Quartz

Description Tabs

Description
Locality: 
Kimmeria, Xanthi, East Macedonia and Thrace, Greece
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
8.7 × 5 × 2.9 cm
Description

Here is an excellent example of andradite from this remote locality. The piece hosts brown crystals of andradite with fine luster. Only the faces of the crystals remain with the rest having been dissolved and/or replaced with quartz and epidote!

Mineral Data
What's on the rock

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...

Quartz

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

Seller Information

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