काकमोचकः कपोतरोचनावर्णः श्वेतराजिनद्धो वा विस्रः सीसधातुः ॥ कZ_०२.१२.१३ ॥
kākamocakaḥ kapotarocanāvarṇaḥ śvetarājinaddho vā visraḥ sīsadhātuḥ
Ang mineral/metal na tingga ay tinatawag na “kākamocaka”; kulay ito na tulad ng rocanā ng kalapati o may mga puting guhit; may mabahong amoy.
Low-cost sensory QA: color, streaking, and smell are used as field diagnostics before committing state transport and smelting capacity.