Anandakanda 1.4.289

1.4.289

tad ruddhvā saṃpuṭe pacyātpuṭe taccūrṇayetpunaḥ /
pūrvavanmākṣike kṣiptvā mardayetpātayetpriye //

Sealing that in a crucible pair, one should cook it in a puṭa; one should powder that again; / casting it into mākṣika as before, one should grind and extract it, O beloved.