A white, red-brown, orange, or light blue principal strontium ore, essentially strontium sulfate, SrSO4 , found in sedimentary rock.
A soft, orthorhombic mineral, SrSO4, that is the chief ore of strontium; strontium sulfate.
Origin of celestite
- celestine –ite
From American Heritage Dictionary of the English Language, 5th Edition
- From Latin caelestis (“celestial, heavenly”), "celestial" because of the usual blue shade.