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Andradite & Hedenbergite

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MGR683575

Andradite & Hedenbergite

Description Tabs

Description
Locality: 
Avissalos, Serifos Island, Milos, South Aegean, Greece
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 4.3 × 3.3 cm
Description

Material from the locality become more and more rare and hard to obtain. Field collecting is prohibited in the region, all we have is material from old collections. The particular specimen shows sveral isolated crystals attractively set on hedenbergite matrix! Fine contrast of these sharp red-bron crystals to greenish matrix. No significant damages to report.

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