Anandakanda 1.4.174

1.4.174

<jāraṇāya abhrakasatvanirmāṇaprakāraḥ, prathamaḥ prakāraḥ>
jāraṇārhaṃ vyomasatvaṃ rasarājasya vakṣyate /
dhānyābhrakaṃ ca vidhivanmārayedvajrasaṃjñakam //

<Method of Preparing Mica Essence for Digestion: The First Method>
The essence of mica worthy of digestion for the king of mercury is now described.
One should properly incinerate dhānyābhraka called vajra.