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

: ON THE SECONDARY, ORANGE.

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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