  Vermilion red paint. 
Mercuric sulfide (HgS) is the traditional pigment known as Vermilion and China Red as it is the traditional red of Chinese art.  Rather toxic. 
Source: Eric Winter 
Contributor: Eric Winter 
Acquired: 17 April, 2009 
Text Updated: 17 April, 2009 
Price: Donated 
Size: 1" 
Purity: <30%
 |  
  |  
 |  
  |