Rasarnava 6.90

6.90

tālakaṃ gandhakaṃ kāntaṃ tāpyaṃ karpūraṭaṅkaṇam
ciñcāsthi meṣaśṛṅgaṃ ca strīrajaḥparipeṣitam
mūṣālepagataṃ dhmātaṃ vajraṃ tu mriyate kṣaṇāt //

Orpiment, sulfur, loadstone, pyrite, camphor-borax,
and tamarind seed and meṣaśṛṅgī, ground with menstrual blood,
placed as a coating inside a crucible and blown [with heat], diamond is killed in an instant.