Anandakanda 1.4.121

1.4.121

<saptamaḥ prakāraḥ>
tilaparṇīrasaiḥ piṣṭvā dhānyābhraṃ puṭayet tridhā /
saptadhā bhāvayedasya mardanena ca pāradaḥ //

<Seventh Method> / Having ground prepared mica with the juice of tilaparṇī, one should subject it to puṭa heating three times; / and by macerating it seven times with grinding, mercury