षट्त्रिंशदङ्गुलमञ्जनवर्णं सामूरम् ॥ कZ_०२.११.८९ ॥
ṣaṭtriṃśadaṅgulamañjanavarṇaṃ sāmūram
Sāmūraは(規定として)三十六aṅgulaの寸法で、コーリュリウム/アンチモンの色(濃い黒)である。
It standardizes acceptance and pricing, prevents under-delivery, and simplifies auditing of storehouse issues and workshop consumption.
Color is a quick inspection proxy for processing method, dyeing, and grade; it helps detect substitution or defective curing.