  Cinnabar.  
Description from the source: 
Cinnabar (Hg S trig.), Tongren, Guizhou, China. Perfect, geminated crystals on Dolomite. 4x3x2,5 cm; 40 g;. 
Source: Simone Citon 
Contributor: John Gray 
Acquired: 11 March, 2009 
Text Updated: 12 March, 2009 
Price: Trade 
Size: 1.5" 
Composition: HgS
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