Anandakanda 1.7.185

1.7.185

bhasmīkuryātprayatnena drutimabhrakasatvavat /
<abhrakaguṇāḥ>
ṣaḍrasaḥ sarvarogaghnastridoṣaśamanaḥ paraḥ //

One should carefully reduce it to ash, like the liquefaction of the essence of mica. / <Properties of mica>
Possessing six tastes, it destroys all diseases and is supreme in pacifying the three humors.