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Andradite Hedenbergite & Epidote

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AST650652

Andradite Hedenbergite & Epidote

Description Tabs

Description
Locality: 
Kimmeria, Xanthi, East Macedonia and Thrace, Greece
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3 × 3.5 × 2 cm
Description

Group of very fine andradite-grossular garnets in skarn rock cavity with hedenbergite crystals and epidote.Garnets show top for the locality luster and quality and presence of hedenbergite as cavity crystals is very rare. An unusual piece and a nice addition to any collection

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

Hedenbergite

Formula: 
CaFe2+Si2O6
Group Parent: 
Clinopyroxene Subgroup
Strunz: 
9.DA.15
Hardness: 
5.5 - 6.5
Type Locality: 
Mormorsgruvan, Tunaberg Cu-Co Ore Field, Tunaberg, Nyköping, Södermanland, Sweden

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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