chrysoberyl

American  

[kris-uh-ber-uhl] / ˈkrɪs əˌbɛr əl /

noun

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

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chrysoberyl British  

/ 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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Etymology

Origin of chrysoberyl

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

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Example Sentences

See Examples For:

chrysoberyl

The beryl also, is sea-green one way and a beautiful blue another; the yellow chrysoberyl is brown one way and yellow with a greenish cast when viewed another way.

From The Chemistry, Properties and Tests of Precious Stones by John Mastin

After chrysoberyl come the materials rated as about 8 in hardness.

From A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by Frank Bertram Wade

The term chrysolite is also sometimes incorrectly used for the greenish-yellow chrysoberyl.

From A Text-Book of Precious Stones for Jewelers and the Gem-Loving Public by Frank Bertram Wade

Other stones of less value—such as topaz, spinel, chrysoberyl, chrysolite, zircon and tourmaline—are sometimes called “fancy stones.”

From Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 5 "Gassendi, Pierre" to "Geocentric" by Various

The great attraction of the sale was "The Hindoo Lingam God," consisting of a chrysoberyl cat's-eye fixed in a topaz, and mounted in a pyramidal base studded with diamonds and precious stones.

From Our Cats and All About Them Their Varieties, Habits, and Management; and for Show, the Standard of Excellence and Beauty; Described and Pictured by Harrison Weir

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