APATITE

Apatite

Apatite is a group of phosphate minerals, usually referring to hydroxylapatite, fluorapatite and chlorapatite, named for high concentrations of OH−, F− and Cl− ions, respectively, in the crystal. The formula of the admixture of the four most common endmembers is written as Ca1062, and the crystal unit cell formulae of the individual minerals are written as Ca1062, Ca1062 and Ca1062.

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apatite

Noun

  1. A calcium fluoride phosphate of variable composition, sometimes used in the manufacture of fertilizer.


The above text is a snippet from Wiktionary: apatite
and as such is available under the Creative Commons Attribution/Share-Alike License.

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