यथाहस्तमवशेषः षडरत्निः पञ्चारत्निश्च ॥ कZ_०२.३१.१५ ॥
yathāhastamavaśeṣaḥ ṣaḍaratniḥ pañcāratniśca
其余(即分类的其余部分)依手量而定:六-ratni 与五-ratni 两类。
It indicates a practical field protocol for quick assessment when full measurement apparatus is unavailable, while still keeping categories consistent.