Shirogane is a youthful-looking woman with shoulder-length blonde hair that covers one eye. The other eye is quite large whilst her mouth is relatively small. She wears a dark dress with rope tied around the waist. She bears a very strong resemblance to her youngest son, Ginro.
Her name contains the kanji for White (白,Shiro) and Money (金,Kin) and put together mean Platinum, in keeping with the fact that all other members of Ishigami village have names referencing metals and crystals. Her being the reference to the chemical element Platinum, its elemental symbol is Pt and atomic number is 78.
