नागपर्वतकं रूक्षं शैवलवर्णं वा ॥ कZ_०२.११.५४ ॥
nāgaparvatakaṃ rūkṣaṃ śaivalavarṇaṃ vā
«Nāgaparvataka» сухой/шероховатый, либо цвета морских водорослей (зелёный).
Dryness/roughness can indicate age, storage conditions, or a different grade; recording it supports rotation decisions and valuation adjustments.