Anandakanda 2.8.189

2.8.189

ajāmūtrairdinaikaṃ tu sattvaṃ rajatavadbhavet /
<vaikrāntasattva (4)>
mriyate 'ṣṭapuṭairgandhanimbukadravasaṃyutaḥ //

with goat urine for one day; the essence becomes like silver.
Extraction of essence from vaikrānta (4):
Combined with sulfur and lemon juice, it is incinerated by eight puṭas;