Celestite (SrSO4) is a mineral consisting of strontium sulfate. It is named for its occasional delicate blue color.
It occurs crystallized, also in compact massive and fibrous forms.
... Church[?] (1938 from the Northern PCUSA)
Presbyterian Church in America[?] (1973 from the Southern PCUS)
Evangelical Presbyterian Church[?] (1980 from Northern UPC and ...