Roger Weller, geology instructor
[email protected] copyright 2010-R.Weller
orpiment with realgar-1
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.
realgar
1
Photo is copyright free only for
non-commercial educational uses.
Just credit photo to R.Weller/Cochise College.
Specimen donated in memory of Ray Dunn