Anandakanda 1.23.26

1.23.26

yantre pātanake devi doṣakañcukavarjitaḥ /
<pañcamaḥ prakāraḥ>
punarnavārasaiḥ peṣyaṃ dhānyābhraṃ pāradaṃ samam //

in a distillation apparatus, O goddess; it is freed from defects and sheath defects. / <Fifth Method>
Equal parts of quicksilver and mica prepared with grain are to be ground with juices of punarnavā,