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Andradite Quartz & Hedenbergite

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AST627237

Andradite Quartz & Hedenbergite

Classic Locality

Description Tabs

Description
Locality: 
Serifos Island, Milos, South Aegean, Greece
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
5.3 × 7.5 × 4 cm
Description

Very fine and sharp andradite crystals of reddish brown color with quartz (semi transparent with transparent terminations) on hedenbergite matrix. Unusual specimen from this now closed for collecting Greek locality.

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

Quartz

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

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

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