Alchemy Alphabet REALGAR Risigallum Rejalger, Red Arsenic, Red Orpiment, Ruby Arsenic, Ruby Sulphur, also Sandarak. Arsenic disulphide, Red sulphuret of Arsenic Chemical formulaAsS. Stock Photo - Afloimages
Alchemy Alphabet: REALGAR (Risigallum < Rejalger), Red Arsenic, Red Orpiment, Ruby Arsenic, Ruby Sulphur, also: Sandarak. Arsenic disulphide, Red sulphuret of Arsenic: Chemical formula=[As?S?].