Hypertext Webster Gateway: "celestite"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Celestine \Cel"es*tine\, Celestite \Cel"es*tite\,, n. [LL.
caelestinus bine.] (Min.)
Native strontium sulphate, a mineral so named from its
occasional delicate blue color. It occurs crystallized, also
in compact massive and fibrous forms.
From WordNet (r) 1.7 (wn)
celestite
n : a mineral consisting of strontium sulphate
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