Anandakanda 1.8.9

1.8.9

athābhrakaṃ svarṇayogaṃ kāntahemarasāyanam /
ghanakāntasvarṇayogaṃ tato vajrarasāyanam //

then the compound of mica and gold; lodestone-and-gold rejuvenation; / the compound of mica, lodestone, and gold; then diamond rejuvenation;