मनोनेत्राभिरामं च तपनीयगुणाः स्मृताः ॥ कZ_०२.१३.६१च्द् ॥
manonetrābhirāmaṃ ca tapanīyaguṇāḥ smṛtāḥ
On se souvient de ceux-ci comme des qualités de l’or affiné : il doit charmer l’esprit comme l’œil.
It summarizes the combined criteria (uniformity, finish, luster, stability) into an easily communicable procurement norm.