अगुरु जोङ्गकं कालं कालचित्रं मण्डलचित्रं वा ॥ कZ_०२.११.५७ ॥
aguru joṅgakaṃ kālaṃ kālacitraṃ maṇḍalacitraṃ vā
沉香(aguru)有如下种类:joṅgaka;黑色(kāla);黑色杂斑(kālacitra);或具环状纹理(maṇḍalacitra)。
They allow officials to classify lots consistently by visible markers, supporting standardized pricing, taxation, and fraud detection.