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Jyutping zam1
Pinyin jiān

Definitions (Unihan)
  1. a kind of jade-like stone
  2. Cangjie Input
    MGAHU

瑊 [-]

Jyutping
Pinyin jiān

Definitions (Wiktionary)
  1. character
    Only used in 瑊玏 (“jadelike stone”).