Anandakanda 1.9.83

1.9.83

<svarṇavajrarasāyanam>
pūrvavanmārayedvajraṃ svarṇaṃ vajrāddvibhāgakam /
suvarṇavajraṃ varṣābhūrasairbhāvyaṃ trisaptadhā //

[The Rejuvenative Recipe of Gold and Diamond] / One should reduce diamond to ash as before, and gold [amounting to] two parts relative to the diamond. / The gold and diamond should be processed twenty-one times with the juices of punarnavā.