U+9531 "锱" CJK Unified Ideograph-# Unicode Character

U+9531 "锱" CJK Unified Ideograph-# is a Chinese character (simplified from traditional 鍿) that historically represents an ancient unit of weight, approximately equivalent to one quarter of a tael or about 1.3 grams, and in modern standard Mandarin it is pronounced "zī". It is most familiar in the Chinese idiom "锱铢必较" (zī zhū bì jiào), which literally means "to haggle over every zī and zhū" and figuratively describes a person who is overly meticulous or petty about small amounts of money or trivial matters. The character belongs to the metal radical (钅, abbreviated from 金) and carries the connotation of precious metal or weight measurement.