Example – Fluorapatite, Ca5(PO4)3F

Named as the fluorine end-member and from the Greek apatao – “I am misleading.”

Structural variations in natural F, OH, and Cl apatites

Hughes J M, Cameron M, Crowley K D
American Mineralogist 74 (1989) 870-876





CaO6 or CaO5F strongly distorted octahedra
PO4 tetrahreda (orange)
F (green)


3D rotatable model of Fluorapatite

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