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Andradite Quartz & Hedenbergite

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AST661645

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: 
8.5 × 6.5 × 4.5 cm
Description

Very fine specimen of sharp lustrus andradite crystals richly spread on hedenbergite crystals matrix with minor transparent quartz.Old time specimen from this now closed to collecting locality well known for world class andradite.

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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