Rasamanjari 5.64

5.64

<lohanirutthabhasma>
gandhakaṃ tutthakaṃ lohaṃ tulyaṃ khalve vimardayet /
dinaikaṃ kanyakādrāvai ruddhvā gajapuṭe pacet /
ityevaṃ sarvalohānāṃ kartavyetthaṃ nirutthitiḥ //

<non-revivable iron ash>
Sulphur, blue vitriol, and iron in equal parts one should triturate in a mortar
for one day with aloe juice, seal, and cook in an elephant-pit.
In this very way, non-revivability is to be brought about for all metals