Rasamanjari 2.42

2.42

kalkādiveṣṭitaṃ kṛtvā nirgiled upadaṃśake /
<rasakarpūra>
piṣṭaṃ pāṃśupaṭupragāḍhamamalaṃ vajryambunānekaśaḥ sūtaṃ dhātuyutaṃ khaṭīkavalitaṃ taṃ sampuṭe rodhayet /
antaḥsthaṃ lavaṇasya tasya ca tale prajvālya vahṇiṃ haṭhāt bhasma grāhyamathendukundadhavalaṃ bhasmoparisthaṃ śanaiḥ //

Wrapping it with paste and the like, one should swallow it down in cases of syphilis.
<Calomel (rasakarpūra)>
Mercury, thoroughly ground into a paste with saline earth, pure, [triturated] many times with the water of spurge, united with minerals and enveloped in chalk, should be confined in a crucible.
Placing it within salt, and kindling a forceful fire beneath it, one should then slowly collect the ash located above the ash, white as the moon and the kunda flower.