## Orpiment

**Formula**
 

**Pyrotechnics use**


**Synonyms**
 

**Description**

Orpiment is a very poisonus and extremly carcinogen Arsenicsulfide with yellow to gold colour. The Alchemists tried to make gold from it in the 13 centry. It is used for colour efects in Pyrotechnics and smoke mix,

**Sources** 


**Hazards**
 

