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Apatite
- DimensiuniSize
- 4.5 x 2.2 x 2 cm
- FormulăFormula
- Ca5(PO4)3(Cl, F, OH)
The crystal habit include include the typical hexagonal prism with the hexagonal pyramid as a termination. Apatite is a field term for unidentified calcium phosphate members of the apatite group. Most Apatite is Fluorapatite (Ca5(PO4)3F). The name comes from the Greek for to deceive, because the gem varieties were confused with other minerals (e.g. beryl, milarite).