Anandakanda 1.9.182

1.9.182

etasya sevayā kāntahemavajrarasārhakaḥ /
<svarṇakāntavajrajīrṇarasabhasma>
mukhīkṛte sūtarāje kāntaṃ svarṇaṃ samaṃ samam //

Through the use of this, he becomes worthy of mercury [digested with] lodestone, gold, and diamond.
<Ash of mercury digested with gold, lodestone, and diamond>
When the king of quicksilver has been provided with a mouth, [one takes] lodestone and gold in equal parts;