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chrysoberyl
[ kris-uh-ber-uhl ]
noun
- a mineral, beryllium aluminate, BeAl 2 O 4 , occurring in green or yellow crystals, sometimes used as a gem.
chrysoberyl
/ ˈkrɪsəˌbɛrɪl /
noun
- a rare very hard greenish-yellow mineral consisting of beryllium aluminate in orthorhombic crystalline form and occurring in coarse granite: used as a gemstone in the form of cat's eye and alexandrite. Formula: BeAl 2 O 4
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Word History and Origins
Origin of chrysoberyl1
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Example Sentences
Some other minerals in which it occurs are phenakite, euclase, and chrysoberyl.
Chrysoberyl is known as a constituent of certain kinds of granite, pegmatite and gneiss.
Then follows the topaz, which, with spinel and chrysoberyl, has a hardness of 8; whilst quartz falls a degree lower.
Now and then she sipped of the wine, Lacrymae Christi from Viterbo, of the greenish straw color of the chrysoberyl.
Cymophane, or chatoyant chrysoberyl, may also be asteriated.
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