Anandakanda 1.23.80

1.23.80

<pañcadaśaḥ prakāraḥ>
sūtamabhraṃ vaṭakṣīraistriyāmaṃ mardayetpriye /
mūṣāgarbhe vinikṣipya karīṣāgnau dinaṃ pacet //

<The Fifteenth Method>
One should grind quicksilver and mica with banyan latex for three watches, my dear;
placing it inside a crucible, he should cook it in a cow-dung fire for a day.