  Grossular.
Description from the source:
Grossular (Ca3 Al2 (Si O4)3 cub.), Lake Jako, Sierra de las Cruces, Chihuahua, Mexico. Perfect rhombohedral crystal. 2,2x2x1,8 cm; 16 g.
Source: Simone Citon
Contributor: John Gray
Acquired: 30 September, 2008
Text Updated: 1 October, 2008
Price: Trade
Size: 1"
Composition: Ca3Al2(SiO4)3
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