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celestite

[sel-uh-stahyt] /ˈsɛl əˌstaɪt/
noun
1.
a white to pale-blue mineral, strontium sulfate, SrSO 4 , occurring in tabular crystals, the principal ore of strontium.
Also, celestine
[sel-i-stin, -stahyn] /ˈsɛl ɪ stɪn, -ˌstaɪn/ (Show IPA)
.
Origin
1850-1855
1850-55; celest(ine) celestite (< German Zölestin < Latin coelest(is), variant of caelestis celestial + German -in -in2) + -ite1
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for celestite

celestite

/ˈsɛlɪˌstaɪt/
noun
1.
a white, red, or blue mineral consisting of strontium sulphate in orthorhombic crystalline form: a source of strontium compounds. Formula: SrSO4
Word Origin
C19: from German Zölestin, from Latin caelestiscelestial (referring to the blue colour) + -ite1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Encyclopedia Article for celestite

mineral that is a naturally occurring form of strontium sulfate (SrSO4). It resembles barite, barium sulfate, but is much less common. Barium is interchangeable with strontium in the crystal structure; there is a gradation between celestine and barite. Celestine occurs in sedimentary rocks, particularly dolomites and dolomitic limestones, throughout the world and also is present in hydrothermal veins and in cavities in basic eruptive rocks. Celestine is mined as a source of strontium for use in sugar-beet refining and in the manufacture of pyrotechnics. It is abundant in Sicily; Bristol, Eng.; on South Bass Island, Lake Erie, Ohio; and in San Bernardino county, Calif. For detailed physical properties, see sulfate mineral (table)

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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