Anandakanda 1.4.185

1.4.185

tadabhrasattvaṃ śubhraṃ syānmṛdu syāccāraṇoditam /
<pañcamaḥ prakāraḥ>
rasendraṃ ṭaṅkaṇaṃ tāpyaṃ bhāgaikaikaṃ pṛthakpṛthak //

That mica essence becomes white, soft, and suitable for assimilation.
<The Fifth Method>
Lord of mercury, borax, and copper pyrite, each one part separately;