The Jewel Mine of Mercury

The calcination of the Brahmin, Kshatriya, Vaishya, and Shudra [diamonds] is described separately. Grind the diamond with the latex of snuhī, mixed with the ashes of [the wood of] aśvattha, badarī, muṇḍī, and the bones of a turtle. Make a ball and place it inside a gajapuṭa large heat chamber; cook it, and it will become a Brahmin-class ash. Now, the calcination of the Vaishya-class diamond: grind karavīra, meṣaśṛṅgī, cinnabar, uḍumbara, and arka milk together; calcine it like the Brahmin [one]. Grind balā, atibalā, and sandalwood, [keep] in curd, and in the milk of uttarā-vāruṇī, the Vaishya [diamond] is calcined. [For the Shudra diamond], grind sūraṇa, garlic, and śūra equally with realgar; [place] inside a crucible with banyan milk and calcine it like the Brahmin [one]. There is no [separate] calcination for the Shudra [diamond]; they are calcined [as a group] based on the respective medicinal applications. Even the neuter [diamond] is calcined with the medicines of those four. Now, the communal calcination of diamonds is described. With three-year-old cotton, mixed with the roots of the kantakārī, grind with human breast milk and place in a crucible; it will become killed calcined in the ore. [Using] meṣaśṛṅgī, snake bone, turtle shell, and salts, grind equally with diamond-milk, make a ball, and the diamond inside will be killed. With the blower, [or] using three-year-old betel leaf or cotton, grind it, place the diamond in the middle, and seal the crucible. Cook in a gajapuṭa; it is killed by seven puṭas. Bhavita impregnated seven times with the fat of bedbugs, wrap it in jujube leaves, seal it, and cook it in a gajapuṭa. By reapplying the paste and cooking again seven times, it is certainly killed. The diamond is [refined] by the daughter of the great river likely the Ganges or a specific medicinal plant, perfected, soft, and [combined with] the juice of... wrapped in the flesh of the krakṣaka insect, wrapped again, and [with the] juice of the earth-worm...