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Andradite & Hedenbergite

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MGR632085

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: 
4.7 × 3.4 × 3.5 cm
Description

Field colecting is prohibited on Serifos island, all material we have came from old discoveries. The matrix consits of dark well developed hedenbergite, the andradite crystals show a red, brown color with darker zoning along their edges. They are sharp terminated and partly glossy. 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