Anandakanda 1.26.179

1.26.179

<anyā vajramūṣā>
dagdhāṅgārasya ṣaḍbhāgā gairikaṃ kṛṣṇamṛttikā /
gāram aṅgārakiṭṭaṃ ca vajramūṣā prakīrtitā //

<Another vajra crucible>
Six parts of burnt charcoal, red ochre, black clay,
mortar, and charcoal dross: [this is] proclaimed as a vajra crucible.