Monday, August 12, 2013

Fluorellestadite

Fluorellestadite is a rare nesosilicate of calcium, with sulfate and fluorine, with the chemical formula Ca10(SiO4)3(SO4)3F2.[1] It is a member of the apatite group, and forms a series with hydroxylellestadite.
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talk nineteen to the dozen

  to speak rapidly and without stopping

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