तदुभयं तापनिकषाभ्यां निह्शब्दोल्लेखनाभ्यां वा विद्यात् ॥ कZ_०२.१४.३२ ॥
tad ubhayaṃ tāpanikaṣābhyāṃ nihśabdollekhanābhyāṃ vā vidyāt
ان دونوں کی پہچان گرم کرنے اور نِکش (ٹچ اسٹون) سے، یا پھر بے آواز کھرچنے اور کندہ کاری/نقش کرنے کے امتحان سے کرنی چاہیے۔
Because surface treatments (leaf, polish, color enhancement) can defeat any single method; layered verification reduces false acceptance.
Institutionalize standardized assay procedures and require objective tests (not mere appearance) before accepting, storing, or paying out precious metals.