Rasamanjari 5.22

5.22

tālaṃ gandhaṃ samaṃ paścānmardayennimbukadravaiḥ /
dvitraiḥ puṭaiḥ bhavedbhasma yojyameva rasādiṣu //

an equal quantity of orpiment and sulphur, and afterwards triturate it with lime juice. / With two or three incineration pits it becomes ash, to be employed indeed in mercurial and other recipes.