शुद्धस्यैको हारिद्रस्य सुवर्णो वर्णकः ॥ कZ_०२.१३.१५ ॥
śuddhasyaiko hāridrasya suvarṇo varṇakaḥ
Para el metal purificado se usa una sola coloración ‘hāridra’ (estándar); el oro es la referencia de color/agente de acabado.
Uniform finish aids public trust and official verification, and reduces the circulation of visually deceptive, adulterated metal.