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And An Artificial Of Which The Former Is The Sandarac Of The








ancients, and is rather redder than the latter. They possess the same
qualities as pigments, and as such resemble yellow orpiment, to which
the old painters gave the orange hue by heat, naming it alchemy and
burnt orpiment. Orange orpiment contains more arsenic and less sulphur
than the yellow, and is of course highly poisonous. It is often
sophisticated with brickdust and yellow ochre.





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