Mineralogy and Crystallography

A Dictionary of Earth Sciences The Concise Oxford Dictionary of English Etymology Further reading

orpiment

A Dictionary of Earth Sciences | 1999 | | Copyright

orpiment Sulphide, As₂S₃; sp. gr. 3.5; hardness 2.0; yellow or yellowish-orange; foliated or powdery aggregate; occurs in low-temperature veins and hot-spring deposits, commonly associated with realgar and stibnite.

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AILSA ALLABY and MICHAEL ALLABY. "orpiment." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "orpiment." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O13-orpiment.html

AILSA ALLABY and MICHAEL ALLABY. "orpiment." A Dictionary of Earth Sciences. 1999. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-orpiment.html

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orpiment

The Concise Oxford Dictionary of English Etymology | 1996 | | Copyright

orpiment yellow arsenic. XIV. — (O)F. — L. auripigmentum, f. aurum gold + pigmentum PIGMENT.

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T. F. HOAD. "orpiment." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 1 Jun. 2012 <http://www.encyclopedia.com>.

T. F. HOAD. "orpiment." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. (June 1, 2012). http://www.encyclopedia.com/doc/1O27-orpiment.html

T. F. HOAD. "orpiment." The Concise Oxford Dictionary of English Etymology. 1996. Retrieved June 01, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O27-orpiment.html

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