'Gold, silver, copper, iron, tin and lead' these are the six metals and their resistance to waste [i. e. rusting] is in the order in which they have been mentioned." VII. 89-90
The Killing of Metals—"Vida."
"Hear attentively as I shall now speak of the killing of metals.
"There is no such elephant of a metal which cannot be killed by the lion of a sulphur." VII. 138-148
Bhairava said: "Kāsisa[1], rock-salt, the pyrites, sauvira[2], the aggregate of the three spices[3], sulphur, saltpetre, the juice expressed from mālati[4]—all these moistened with the juice of the root of moringa pter., makes a vida, which would kill all [the metals]." IX. 2-3
"Sulphur, orpiment, sea-salt, salt, sal-ammoniac, borax—these digested with the ashes and the urines, give rise to another kind of vida." * * * * * * Having thus collected the ingredients, O goddess! begin the chemical operations. I have told you all, what more do you want to hear?" IX. 4-20