celestite

[ sel-uh-stahyt ]
/ ˈsɛl əˌstaɪt /

noun

a white to pale-blue mineral, strontium sulfate, SrSO4, occurring in tabular crystals, the principal ore of strontium.

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Also cel·es·tine [sel-i-stin, -stahyn]. /ˈsɛl ɪ stɪn, -ˌstaɪn/.

Origin of celestite

1850–55; celest(ine) celestite (<German Zölestin<Latin coelest(is), variant of caelestiscelestial + German -in-in2) + -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for celestite

celestite

celestine (ˈsɛlɪstɪn, -ˌstaɪn)

/ (ˈsɛlɪˌstaɪt) /

noun

a white, red, or blue mineral consisting of strontium sulphate in orthorhombic crystalline form: a source of strontium compounds. Formula: SrSO 4

Word Origin for celestite

C19: from German Zölestin, from Latin caelestis celestial (referring to the blue colour) + -ite 1
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012