Anandakanda 1.4.277

1.4.277

tāvatsvarṇāvaśeṣaṃ syātsvarṇabījamidaṃ priye /
<daśamaṃ hemabījam>
mṛtatārārkatīkṣṇāyaḥ samaṃ sarvaṃ dhameddṛḍham //

until [only] gold remains; this, O beloved, is gold seed.
<The tenth gold seed>
Calcined silver, copper, steel, and iron: one should blow strongly upon all in equal parts