A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t4.13

v1.c12.t4.13

Diamond is to be placed in a covered crucible, the inside of which has been coated with realgar, rubbed with the decoction of kulattha and the juice of *artocarpus lakoocha* and roasted 8 times in succession in the fire of dry cow-dung cakes. It is then heated 100 times and thrown into pure mercury—the diamond is thus killed and reduced to fine ashes. 38-39