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chrysoberyl

[ kris-uh-ber-uhl ]

noun

  1. a mineral, beryllium aluminate, BeAl 2 O 4 , occurring in green or yellow crystals, sometimes used as a gem.


chrysoberyl

/ ˈkrɪsəˌbɛrɪl /

noun

  1. 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

1350–1400; Middle English < Latin chrȳsoberyllus < Greek chrȳsobḗryllos, equivalent to chrȳso- chryso- + bḗryllos beryl

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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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chryso-chrysocale