1) An ore of arsenic 2) Arsenic mineral 3) Inorganic pigment 4) Mineral 5) Poisonous mineral
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https://www.crosswordclues.com/clue/orpiment
Orpiment is a deep orange-yellow colored arsenic sulfide mineral with formula As2S3. It is found in volcanic fumaroles, low temperature hydrothermal veins, and hot springs and is formed both by sublimation and as a byproduct of the decay of another arsenic mineral, realgar. It takes its name from the Latin auripigmentum (aurum − gold + pigmentum...
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http://en.wikipedia.org/wiki/Orpiment
yellow arsenic compound used as pigment
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http://phrontistery.info/o.html
• (n.) Arsenic sesquisulphide, produced artificially as an amorphous lemonyellow powder, and occurring naturally as a yellow crystalline mineral; -- formerly called auripigment. It is used in king`s yellow, in white Indian fire, and in certain technical processes, as indigo printing.
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http://thinkexist.com/dictionary/meaning/orpiment/
the transparent yellow mineral arsenic sulfide (As2S3), formed as a hot-springs deposit, an alteration product (especially from realgar), or as a ... [1 related articles]
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http://www.britannica.com/eb/a-z/o/33
<chemistry> Arsenic sesquisulphide, produced artificially as an amorphous lemonyellow powder, and occurring naturally as a yellow crystalline mineral; formerly called auripigment. It is used in king's yellow, in white Indian fire, and in certain technical processes, as indigo printing. 'Our orpiment and sublimed mercurie.' (Chaucer) Red orpim...
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http://www.encyclo.co.uk/local/20973
Or'pi·ment noun [ French, from Latin
auripigmentum ;
aurum gold +
pigmentum pigment. Confer
Aureate ,
Pigment ,
Orpin ,
Orpine .]
(Chemistry) Arsenic sesquisulphide, produced artificially as an amorphous lemonyellow powder, and occurring natur...
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http://www.encyclo.co.uk/webster/O/34
Orpiment is a secondary mineral with the formulae As2S3 and a relative hardness of 2. It is a rare mineral usually associated with realgar. Orpiment is an important source of industrial arsenic and is used in dyeing. Orpiment can be distinguished from sulphur by its perfect cleavage, and strong smell of garlic (arsenic) when heated.
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http://www.probertencyclopaedia.com/browse/HO.HTM
Arsenic sulfide, tri-
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http://www.translationdirectory.com/glossaries/glossary075.htm
King's yellow, auripigmentum, arsenic yellow, Chinese yellow) It occurs in early Egyptian, Syrian and Persian work, also in Chinese cave-paintings. It is a yellow sulphide of arsenic and a number of natural deposits occur in Asia and Europe. Although quite widely used artists disliked it because of its highly poisonous nature and unpleasant smell.
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http://www.visual-arts-cork.com/colour-art-glossary.htm
[
n] - a yellow mineral occuring in conjunction with realgar
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http://www.webdictionary.co.uk/definition.php?query=orpiment
orpiment 1. A bright yellow arsenic sulfide mineral used in dyeing or tanning. 2. Etymology: from Middle English, previously from Old French, and before from Latin auripigmentum, from aurum, 'gold' + pigmentum, 'pigment'.
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http://www.wordinfo.info/words/index/info/view_unit/3413/
noun a yellow mineral occuring in conjunction with realgar; an ore of arsenic
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https://www.encyclo.co.uk/local/20974
(Arsenic Sulfide) Orpiment is a rare mineral that usually forms with realgar. In fact the two minerals are almost always together. Crystals of orpiment are extremely rare as it usually forms masses and crusts. The masses are sometimes transparent to a degree and have a gemmy quality to them. The yellow color is special to orpime...
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https://www.encyclo.co.uk/local/23719
a mineral, arsenic trisulfide, AsS, found usually in soft, yellow, foliated masses, used as a pigment.
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https://www.infoplease.com/dictionary/orpiment
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