Anandakanda 1.10.31

1.10.31

pūrvavatkrāmaṇaṃ kāryaṃ dehe saṃkramate rasaḥ /
<3. kāmeśvarī ghuṭikā>
samukhe pārade vyomakāntabījaṃ ca mārayet //

The penetration procedure should be done as before; the mercury permeates the body.
<3. The Kāmeśvarī Pill>
Into mercury endowed with an opening, one should consume the seed of mica and magnetic iron,