Anandakanda 1.4.396

1.4.396

etadbījaṃ dravatyeva rasagarbhe tu mardanāt /
<tṛtīyaḥ prakāraḥ>
suvarṇaṃ tāpyasatvaṃ tu samaṃ mūṣāgataṃ dhamet //

This seed indeed dissolves within the interior of mercury merely by trituration.
<Third Method>
One should blast equal parts of gold and pyrites essence placed in a crucible;