Information card for entry 9010560

Structure parameters

• Mineral name: Kentbrooksite
• Formula: Al0.84 Ba0.03 Ca3.51 Ce0.573 Cl0.798 F1.2 Fe1.5 K0.285 La0.327 Mn2.16 Na12.96 Nb0.46 Nd0.327 O74.93 Si24.94 Sr0.57 Ti0.36 Y0.51 Yb0.141 Zr3.086
• Calculated formula: Al0.84 Ba0.03 Ca3.51 Ce0.573 Cl0.798 F1.2 Fe1.5 K0.285 La0.327 Mn2.16 Na12.96 Nb0.46 Nd0.327 O74.93 Si24.94 Sr0.57 Ti0.36 Y0.51 Yb0.141 Zr3.086
• Title of publication: The crystal chemistry of the eudialyte group Sample: #17 Note: additional sites with low but unreported occupancies excluded Note: X2d reported but missing z-coordinate
• Authors of publication: Johnsen, O.; Grice, J. D.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 1999
• Journal volume: 37
• Pages of publication: 865 - 891
• a: 14.22 Å
• b: 14.22 Å
• c: 30.15 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 5279.8 ų
• Number of distinct elements: 20
• Space group number: 160
• Hermann-Mauguin space group symbol: R 3 m :H
• Hall space group symbol: R 3 -2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No