nirlepaṃ kāñcanaṃ bhāṇḍam adbhir eva viśudhyati / abjam aśmamayaṃ caiva rājataṃ cānupaskṛtam //
A golden vessel which shows no stains, becomes pure with water alone, likewise what is produced in water (as shells and coral), what is made of stone, and a silver (vessel) not enchased.