Left
王 - when on the left of a character it is the side-form of
玉 (jade), not the king. Three horizontal lines threaded together pictured strung jade discs. As the indexing radical it places
珈 in the jade-and-jewellery family with
玉,
珍 precious,
珠 pearl,
玛瑙 agate,
琉璃 glaze.
