strontianite

strontianite

[stron-shee-uh-nahyt, -shuh-nahyt]
noun
a mineral, strontium carbonate, SrCO 3 , occurring in radiating, fibrous, or granular aggregates and crystals, varying from white to yellow and pale green: a minor ore of strontium.

Origin:
1785–95; strontian + -ite1

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strontianite (ˈstrɒntɪəˌnaɪt)
 
n
a white, lightly coloured, or colourless mineral consisting of strontium carbonate in orthorhombic crystalline form: it is a source of strontium compounds. Formula: SrCO3

Collins English Dictionary - Complete & Unabridged 10th Edition
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Encyclopedia Britannica
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strontianite

a strontium carbonate mineral (SrCO3) that is the original and principal source of strontium. It occurs in white masses of radiating fibres, although pale green, yellow, or gray colours are also known. Strontianite forms soft, brittle crystals that are commonly associated with barite, celestine, and calcite in low-temperature veins. Notable deposits exist in North Rhine-Westphalia, Ger.; Strontian, Scot.; and Strontium Hills, Calif., U.S. Strontianite is used in pyrotechnics to impart a red colour and in sugar refining as a clarifying agent. For detailed physical properties, see carbonate mineral (table)

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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