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phenacite
[ fen-uh-sahyt ]
noun
- a rare vitreous mineral, beryllium silicate, Be 2 SiO 4 , occurring in crystals, sometimes used as a gem.
phenacite
/ ˈfɛnəˌsaɪt; ˈfɛnəˌkaɪt /
noun
- a colourless or white glassy mineral consisting of beryllium silicate in hexagonal crystalline form: occurs in veins in granite. Formula: Be 2 SiO 4
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Word History and Origins
Origin of phenacite1
1825–35; < Greek phenak- (stem of phénax ) a cheat, quack + -ite 1
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Word History and Origins
Origin of phenacite1
C19: from Greek phenax a cheat, because of its deceptive resemblance to quartz
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Example Sentences
The largest phenacite crystal ever found is owned by Mr. Whitman Cross.
From Project Gutenberg
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