A History of Hindu Chemistry from the Earliest Times to the Middle of the Sixteenth Century A.D. v1.c12.t5.11

v1.c12.t5.11

Project into melted gold its own weight of the ash of marcury ; [when cooled] powder it and rub it with lemon-juice and cinnabar and roast it in a covered crucible twelve times. The gold thus acquires the colour of saffron.¹ (cf. Rasārnava XVI. 81, p. 74). 15-16