  Aragonite.  
Description from the source: 
Aragonite (Ca CO3 orth.), Molina de Aragon, Guadalajara, Spagna. Perfect, geminated, green and purple large crystal. 5x5x3,3 cm; 132 g. 
Source: Simone Citon 
Contributor: John Gray 
Acquired: 30 September, 2008 
Text Updated: 1 October, 2008 
Price: Trade 
Size: 2" 
Composition: CaCO3
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