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Science 2 May 1969:
Vol. 164. no. 3879, pp. 551 - 553
DOI: 10.1126/science.164.3879.551
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Articles

Aluminum-Rich Apatite

D. Jerome Fisher 1 and Duncan McConnell 2

1 Department of the Geophysical Sciences, University of Chlicago, Chlicago, Illinois 60637
2 Department of Mineralogy, Ohlio State University, Columbus 43210

More than 25 atomic percent of aluminum can susbtitute for other cations in the structure of apatite [A10(XO4) 6Z2]. Such a synthetic product was obtained by expelling volatile constituents (H2O and F) from morinite during thermal treatment. Infrared absorption spectra, chemical analysis, and x-ray powder diffraction demonstrate that the aluminum has two coordination numbers, and more than twice as much aluminum substitutes for calcium (A position) as for phosphorus (X position).


THIS ARTICLE HAS BEEN CITED BY OTHER ARTICLES:
Dissolution Studies of Human Enamel Treated with Aluminum Solutions.
M.S. Putt and C.J. Kleber (1985)
Journal of Dental Research 64, 437-440
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