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Andradite With Hedenbergite

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AST50449

Andradite With Hedenbergite

Description Tabs

Description
Locality: 
Serifos Island, Milos, South Aegean, Greece
Size Range: 
Thumbnail (1-3cm)
Size: 
2.8 × 2.2 × 1.2 cm
Description

A very clear specimen of light brown andradite (with dark brown crystal edges) on hedenbergite matrix. A classic specimen from a classic 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

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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