Anandakanda 1.23.147

1.23.147

karṣaṃ ca śodhitaṃ gandhaṃ devadālīdravaṃ kṣipet /
karāṅgulyā khare gharme mardayet piṣṭikā bhavet //

One should add one karṣa of purified sulphur and devadālī juice;
one should grind with the fingers in the fierce sun, and it will become a paste.