单词 | phenakite |
释义 | phenakite/ˈfiːnəkʌɪt/ /ˈfɛnəkʌɪt/(also phenacite) Mineralogy noun A rare mineral of the trigonal system consisting of beryllium silicate, Be2SiO4, and occurring as colourless or white scales and prisms. OriginMid 19th century; earliest use found in London and Edinburgh Philosophical Magazine. From German Phenakit from ancient Greek ϕένακ-, ϕέναξ cheat (of uncertain origin: see note) + German -it, so called on account of its having been mistaken for quartz. |
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