Ge̍k ia̍h gio̍k sī sī chi̍t khoán chio̍h-thâu, ū chong-sek-phín chok-iōng. Chiàu khòng-bu̍t ê hun-lūi lâi kóng, ge̍k pau-koat nn̄g khoán piàn-sêng-gâm (metamorphic rock), in sī bô-kâng ê si-lí-khóng-sng-iâm khòng-bu̍t (silicate mineral) cho-sêng; kî-tiong chi̍t khoán sī nńg-ge̍k (nephrite), lēng-gōa chi̍t khoán sī húi-chhùi-ge̍k (jadeite).

  NODES