शीतोदकीयं पद्माभं कालस्निग्धं वा ॥ कZ_०२.११.५३ ॥
śītodakīyaṃ padmābhaṃ kālasnigdhaṃ vā
“Śītodakīya”外观似莲花,或呈深色而有光泽。
It signals a recognizable sheen/appearance associated with quality; such cues support rapid field verification without specialized instruments.