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Demantoid

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ESM704693

Demantoid

Classic Locality

Description Tabs

Description
Locality: 
Malenco Valley, Sondrio Province, Lombardy, Italy
Class: 
Crystals on Matrix
Size Range: 
Small cabinet (7-10 cm)
Size: 
3 × 9 × 4 cm
Description

Lustrous gemmy green demantoid crystals on matrix

Mineral Data
What's on the rock

Demantoid

Variety Of: 

Andradite

Formula: 
Ca3Fe3+2(SiO4)3
Strunz: 
9.AD.25
Hardness: 
6.5 - 7.0