षडश्रश्चतुरश्रो वृत्तो वा तीव्ररागः संस्थानवानछः स्निग्धो गुरुरर्चिष्मानन्तर्गतप्रभः प्रभानुलेपी चेति मणिगुणाः ॥ कZ_०२.११.३३ ॥
ṣaḍaśraścaturaśro vṛtto vā tīvrarāgaḥ saṃsthānavānachaḥ snigdho gururarciṣmānantargataprabhaḥ prabhānulepī ceti maṇiguṇāḥ
The qualities of a gem are: six-angled, four-angled, or round; intensely colored; well-formed; clear; lustrous; heavy; radiant; having inner brilliance; and suffusing its brilliance outward.
They operate like a checklist for inspectors—standardizing acceptance/rejection, pricing bands, and accountability in treasury acquisitions.
Weight/density helps distinguish genuine stones from lighter substitutes, supporting fraud detection and consistent valuation.