कोशागारपर्वतकं कालं कालचित्रं वा ॥ कZ_०२.११.५२ ॥
kośāgāraparvatakaṃ kālaṃ kālacitraṃ vā
‘कोशागारपर्वतक’ कृष्णं भवति, अथवा कृष्णचित्रं (विचित्रवर्णं) ।
Variegation can be diagnostic of origin or processing; recording it helps match delivered goods to contracted specifications.