अच्छः स्निग्धः सप्रभो घोषवान् शीतस्तीव्रस्तनुरागश्च मणिधातुः ॥ कZ_०२.१२.१७ ॥
acchaḥ snigdhaḥ saprabho ghoṣavān śītastīvrastanurāgaśca maṇidhātuḥ
ରତ୍ନ-ଧାତୁ (ମଣି-ଅୟସ୍କ) ସ୍ପଷ୍ଟ, ସ୍ନିଗ୍ଧ, ଦୀପ୍ତିମାନ, ଆଘାତେ ଘୋଷ ହେବାଳି, ସ୍ପର୍ଶରେ ଶୀତଳ, କଠିନ/ତୀକ୍ଷ୍ଣ ଏବଂ ସାନ ରଙ୍ଗଛାୟାଯୁକ୍ତ ହୁଏ।
A practical test: a good stone/ore gives a clear ring or sound, indicating density/quality and helping detect inferior material.
They enable uniform valuation, protect treasury revenue, and reduce disputes/corruption in procurement.