APP Definition:a rare mineral occurring as emerald green or blue-green crystals. It consists of ahydrated silicate of copper.透視石tòu shì shí,綠銅礦lǜ tóng kuàngFormula: CuSiO2(OH)2Origin:early 19th century:from French,formed irregularly from Greek dioptos“transpa......（本文共 586 字） [閱讀本文] >>
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