An orange-yellow arsenic sulfide mineral that can occur as a light induced alteration product of realgar. Pararealgar has been found in association with realgar in occasional classical and European paintings.
Synonyms and Related Terms
Monoclinic, yellow, prismatic crystals. Fracture=brittle and uneven Luster=vitreous to resinous. Pigment particles are irregular with high relief.
Hazards and Safety
Highly toxic by ingestion and inhalation. Carcinogen and mutagen
K. Trentelman, L. Stodulski, M. Pavlosky, 'Characterization of pararealgar and other light-induced transformation products from realgar by Raman microspectroscopy' Analytical Chemistry 68 (1996) 1755-1761. Webmineral: Pararealgar
- Nicholas Eastaugh, Valentine Walsh, Tracey Chaplin, Ruth Siddall, Nicholas Eastaugh, Valentine Walsh, Tracey Chaplin, Ruth Siddall, Pigment Compendium, Elsevier Butterworth-Heinemann, Oxford, 2004