  Smithsonite.  
Description from the source: 
Smithsonite (Zn CO3 trig.), Laurion, Grecia. Light green botryoidal, from old Cu Pb Zn deposit. 6,5x6x2 cm; 48 g. 
Source: Simone Citon 
Contributor: John Gray 
Acquired: 28 January, 2009 
Text Updated: 29 January, 2009 
Price: Trade 
Size: 2.6" 
Composition: ZnCO3
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