  Native Selenium.  
Description from the source: 
Native Selenium ( Se trig.), Anna Mine, Alsdorf, Germany. Distinct crystals on matrix! 3,5x2,5x1 cm; 22 g. 
Source: Simone Citon 
Contributor: John Gray 
Acquired: 10 January, 2009 
Text Updated: 10 January, 2009 
Price: Trade 
Size: 1.4" 
Composition: Se
 |  
  |  
 |  
  |