  Bismuthite.  
Description from the source: 
Bismuthite (Bi2 (CO3) O2 tet.), Beresovsk, Urals, Russia. Prismatic, elongated, light green crystals as alteration on bismuth sulphosalts, associated with very small Gold masses. 4x2,5x2,5 cm; 33 g. 
Source: Simone Citon 
Contributor: John Gray 
Acquired: 30 September, 2008 
Text Updated: 1 October, 2008 
Price: Trade 
Size: 1.6" 
Composition: Bi2(CO3)O2
 |  
  |  
 |  
  |