श्यावो नीलश्चाप्राप्तकः ॥ कZ_०२.१३.२७ ॥
śyāvo nīlaś cāprāptakaḥ
যদি তা গাঢ় বাদামি বা নীলচে হয়, তবে তা গ্রহণযোগ্য নয়।
It means the treasury/mint should not accept such metal as standard bullion—preventing loss from impure or debased gold.