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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 of celestite
1850-1855
1850-55; celest(ine) celestite (< German Zölestin < Latin coelest(is), variant of caelestis celestial + German -in -in2) + -ite1

Celestine I

[sel-uh-stahyn, si-les-tin, -tahyn] /ˈsɛl əˌstaɪn, sɪˈlɛs tɪn, -taɪn/
noun
1.
Saint, died a.d. 432, Italian ecclesiastic: pope 422–432.

Celestine II

noun
1.
(Guido di Castello) flourished 12th century, Italian ecclesiastic: pope 1143–44.

Celestine III

noun
1.
(Giacinto Bobone) died 1198, Italian ecclesiastic: pope 1191–98.

Celestine IV

noun
1.
(Godfrey Castiglione) died 1241, Italian ecclesiastic: pope 1241.

Celestine V

noun
1.
Saint (Pietro di Murrone or Morone) 1215–96, Italian ascetic: pope 1294.
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Based on the Random House Dictionary, © Random House, Inc. 2016.
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British Dictionary definitions for celestine

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
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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