硜 is a traditional Chinese hanzi, listed here under the keyword “the sound of stones knocking together”. It is built from 石 (stone) and 巠 (streams running underground).
On KumiJi Glyph Explorer, open the parts search and type “stone” + “streams running underground”. 硜 is among the results, together with every other character containing the same shapes.
Open 硜 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.