Su, Utt., 10, 15.1 vaidūryaṃ yat sphāṭikaṃ vaidrumaṃ ca mauktaṃ śāṅkhaṃ rājataṃ śātakumbham /

GarPur, 1, 69, 5.1 svayonimadyachavitulyavarṇaṃ śāṅkhaṃ bṛhallolaphalapramāṇam /