Anandakanda 2.7.27

2.7.27

nāgena svarṇaṃ rajataṃ ca tāpyaiḥ gandhena tāmraṃ śilayā ca nāgam /
tālena vaṅgaṃ trividhaṃ tu lohaṃ nārīpayo ghnanti ca hiṅgulena //

They incinerate gold with lead, silver with chalcopyrite, / copper with sulfur, lead with realgar, / tin with orpiment, the three kinds of iron with cinnabar in woman’s milk;