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Andradite Mushketovite & Calcite

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AST608237

Andradite Mushketovite & Calcite

Classic Locality

Description Tabs

Description
Locality: 
Serifos Island, Milos, South Aegean, Greece
Class: 
Crystal Group/Cluster
Size Range: 
Miniature (4.5-7 cm)
Size: 
3.3 × 5 × 2 cm
Description

Classic specimen of rare for the locality andradite (dark brown color edges with light brow crystal planes) with "iron rose" magnetite (pseudomorph of magnetite after hematite (mushketovite )- specimen is strongly attracted by magnet) and minor calcite at the back.Old and classic material from a locality that is closed to mineral collecting.

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

Mushketovite

Variety Of: 

Magnetite

Formula: 
Fe2+Fe3+2O4
Strunz: 
4.BB.05
Hardness: 
5.5 - 6.5
Hardness: 
0.0

Calcite

Polymorph of: 
Formula: 
CaCO3
Strunz: 
5.AB.05
Crystal System: 
Trigonal
Hardness: 
3.0
Streak: 
White

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