Ayurvedaprakasha 30.83

Āyurvedaprakāśa 30.83

iti vajrabhasma | athānyaḥ prakāraḥ—
kāṃsyapātrasthabhekasya mūtre vajraṃ samāvapet
trisaptakṛtvaḥ saṃtaptaṃ vajramevaṃ mṛtaṃ bhavet