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Andradite & Hedenbergite

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PFK607307

Andradite & Hedenbergite

Classic Locality

Description Tabs

Description
Locality: 
Avissalos, Serifos Island, Milos, South Aegean, Greece
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.8 × 3.7 × 3.4 cm
Largest Crystal: 
1.50cm
Description

Fine, sharp, brownish, dodecahedral crystals of andradite with darker edges, on contrasting greenish hedenbergite. Minor quartz present. This is an excellent andradite example from Greece with large crystals.

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

Seller Information

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