Rasendrapurana 36.4

Rasendrapurāṇa 36.4

niṣkoṭaraṃ ca vijñeyaṃ tīkṣṇakiṭṭaṃ manīṣibhiḥ
piṅgaṃ rūkṣaṃ gurutaraṃ tadarthamavakoṭaram
chinne ca rajatacchāyaṃ syātkiṭṭaṃ sthitakāntajam