Kurmapurana 1.42.18

Kūrmapurāṇa 1.42.18

śailaṃ rasātalaṃ viprāḥ śārkaraṃ hi talātalam /
pītaṃ sutalamityuktaṃ nitalaṃ vidrumaprabham /
sitaṃ hi vitalaṃ proktaṃ talaṃ caiva sitetaram //