鑓 is a Japanese kanji written with 21 strokes, listed here under the keyword “javelin”. It is built from 遣 (dispatch) and 金 (gold). In Remembering the Kanji by James W. Heisig it is frame 2789.
On KumiJi Glyph Explorer, open the parts search and type “dispatch” + “gold”. 鑓 is among the results, together with every other character containing the same shapes.
Open 鑓 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.