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Andradite

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Watches:
RGR720401

Andradite

Description Tabs

Description
Locality: 
Monte Somma, Vesuvius, Campania, Italy
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.5 × 5 × 3.5 cm
Description

Group of rhombohedral black crystals of andradite (var. melanite). 

 

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