तीक्ष्णं चास्य मयूरग्रीवाभं श्वेतभङ्गं चिमिचिमायितं पीतचूर्णितं काकणिकः सुवर्णरागः ॥ कZ_०२.१३.४८ ॥
tīkṣṇaṃ cāsya mayūragrīvābhaṃ śvetabhaṅgaṃ cimicimāyitaṃ pītacūrṇitaṃ kākaṇikaḥ suvarṇarāgaḥ
Sediaan ‘suvarṇarāga’ ini bersifat tajam/kuat; menampakkan kilau seperti leher merak, patahannya keputihan, berkeretak/berkilau (cimicimāyita), dan bila ditumbuk tampak kuning; termasuk jenis/kelas kākaṇika.
They are quick field tests for officials supervising artisans and traders, enabling low-cost verification without advanced apparatus.