Orpiment

#	Item
41	PDF Document Add to Reading List Source URL: rruff.geo.arizona.edu Language: English Matter Orpiment Realgar Stibnite Arsenic Chemistry Crystallography Sulfide minerals
42	PDF Document Add to Reading List Source URL: minerals.er.usgs.gov Language: English - Date: 2008-01-31 14:23:05 Wood Sulfide minerals Arsenic Metalloids Arsenide Chromated copper arsenate Wood preservation Orpiment Gallium Chemistry Matter Chemical elements
43	PDF Document Add to Reading List Source URL: pohakugalore.net - Date: 2013-04-24 03:07:21 Sulfide minerals Realgar Orpiment Torbernite Pararealgar Cinnabar Arsenic Metatorbernite Mineral Chemistry Crystallography Matter