Roger Weller, geology instructor
email@example.com copyright 2010-R.Weller
orpiment with realgar-2
Realgar is arsenic sulfide. It is commonly found with orpiment, also an arsenic
sulfide. Realgar's color ranges from red to orange, while orpiment is a lemon-yellow.
Be sure to wash your hands after handling it.
Photo is copyright free only for non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Specimen courtesy of Dave Dechant