अगुरु जोङ्गकं कालं कालचित्रं मण्डलचित्रं वा ॥ कZ_०२.११.५७ ॥
aguru joṅgakaṃ kālaṃ kālacitraṃ maṇḍalacitraṃ vā
Jenis-jenis aguru (gaharu) adalah: joṅgaka; hitam (kāla); hitam-bercorak (kālacitra); atau berpola cincin (maṇḍalacitra).
They allow officials to classify lots consistently by visible markers, supporting standardized pricing, taxation, and fraud detection.