Information card for entry 9013631

Structure parameters

• Mineral name: Johnbaumite
• Formula: As1.972 Ca5 H O13 P1.028
• Calculated formula: As1.9719 Ca5 O13 P1.0281
• Title of publication: Arsenate substitution in hydroxylapatite: Structural characterization of the Ca5(PxAs1-xO4)3OH solid solution Sample: As66
• Authors of publication: Lee, Y. J.; Stephens, P. W.; Tang, Y.; Li, W.; Phillips, B. L.; Parise, J. B.; Reeder, R. J.
• Journal of publication: American Mineralogist
• Year of publication: 2009
• Journal volume: 94
• Pages of publication: 666 - 675
• a: 9.6311 Å
• b: 9.6311 Å
• c: 6.9556 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 558.749 ų
• Number of distinct elements: 5
• Space group number: 176
• Hermann-Mauguin space group symbol: P 63/m
• Hall space group symbol: -P 6c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No