Density
2.64 g/cm³ (at 20 °C)
Discovery
Identified as a new element by Adair Crawford and William Cruickshank in 1790. Isolated in 1808 by Humphry Davy.
Common Uses
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Strontium salts are used to produce a deep red color in fireworks.
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Formerly used in the glass of cathode ray tube (CRT) televisions to block X-ray emission.
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Strontium ranelate is used in some countries to treat osteoporosis.
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Used in the production of certain ceramic magnets.
Interesting Facts
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Named after the village of Strontian in Scotland, where it was discovered in the mineral strontianite.
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A soft, silvery-white metal that is highly reactive and tarnishes quickly in air.
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Reacts with water to produce hydrogen gas, though not as vigorously as alkali metals.
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Strontium-90 is a radioactive isotope with a long half-life, found in nuclear fallout.
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