  Native silver.  
Description from the source: 
Silver (Ag cub.), Zacatecas, Mexico. Filamentous with Acanthite and Quartz on matrix. 2x1,5x1,2 cm; 8g. 
Source: Simone Citon 
Contributor: John Gray 
Acquired: 11 March, 2009 
Text Updated: 12 March, 2009 
Price: Trade 
Size: 0.75" 
Composition: Ag
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