Celestine, also known as celestite, is a mineral composed of strontium sulfate (SrSO₄). It is named after the Latin word "caelestis," meaning "celestial," due to its occasional delicate blue color.
Celestine is commonly found in sedimentary rock formations, particularly in evaporite deposits where large-scale precipitation from saline waters occurs. It can also be found in hydrothermal veins, volcanic rock cavities, and as a secondary mineral in limestone and dolomite.
Scientific
Specimens
Gemstone
Industrial
Celestine is primarily mined for the production of strontium, which is used in the manufacture of glass for color television cathode ray tubes and in pyrotechnics for producing red flames.
Due to its attractive blue color, celestine is occasionally used as a gemstone in jewelry.
Large, well-formed celestine crystals are popular among mineral collectors.
It is studied for understanding geological and environmental conditions in the areas where it is found.