AbstractElectron probe microanalysis has been used to identify precipitates in calcium fluorapatite Ca5(PO4)3F. Crystals grown from nonstoichiometric melts were found to have defects of either CaF2 or Ca3(PO4)2 depending on the melt composition.KeywordsElectron microprobeLasersTechniquesspectroscopicGet full access to this articleView all access options for this article.Get accessReferences1. Mazelsky R. Ohlmann R. C. , and Steinbruegge K. , J. Electrochem. Soc. 115, 68 (1968).2. Johnson P. D. , J. Electrochem. Soc., 108, 159 (1961).3. Hopkins R. H. and Kramer W. E. , J. Electrochem. Soc. (to be published).4. Murphy A. P. Metzger C. A. , Rev. Sci. Instr. 39, 1703 (1968).