Realgar
Realgar (re*al"gẽr) , noun
[French réalgar, Sp. rejalgar, Arabic rahj al ghār powder of the mine.]
(Mineralogy) Arsenic sulphide, a mineral of a brilliant red color; red orpiment. It is also an artificial product.
Realgar (re*al"gẽr) , noun
[French réalgar, Sp. rejalgar, Arabic rahj al ghār powder of the mine.]