  Native Graphite.  
Description from the source: 
Graphite (C hex.), Ceylon. Crystalline, flat, angular on the edges, extremely lustrous. 8x5x0,8 cm; 50 g. 
Source: Simone Citon 
Contributor: John Gray 
Acquired: 26 October, 2008 
Text Updated: 26 October, 2008 
Price: Trade 
Size: 3.1" 
Composition: C
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