Rasamanjari 5.56

5.56

<lohabhasma>
dvādaśāṃśena daradaṃ tīkṣṇacūrṇasya melayet /
kanyānīreṇa saṃmardya yāmayugmaṃ tu tatpuṭet /
puṭedevaṃ lohacūrṇaṃ saptadhā maraṇaṃ vrajet //

<iron ash>
One should mix cinnabar as a twelfth part of the tīkṣṇa powder;
having triturated it with aloe juice for two yāmas, one should then incinerate it.
One should thus incinerate the iron powder; seven times it goes to calcination