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Andradite

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PDM574284

Andradite

Description Tabs

Description
Locality: 
Stanley Butte, Santa Teresa Mountains, Graham County, Arizona, United States of America
Class: 
Crystals on Matrix
Size Range: 
Miniature (4.5-7 cm)
Size: 
5.7 × 5 × 3.5 cm
Largest Crystal: 
1.30cm
Description

Bright green andradite crystals with golden reflections. The main form is the rhombic dodecahedron {110}, with the edges modified by the trapezohedron {211}. It is in good condition and comes from the Roger Van Dooren collection, who bought it in 1969.

Acquired: 
1966
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

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