Information card for entry 9010546

Structure parameters

• Mineral name: Kentbrooksite
• Formula: Ca4.8 Ce0.75 Cl1.08 Fe1.47 H0.93 K0.24 La0.51 Mn2.34 Na13.08 Nb0.78 Nd0.15 O76.47 Si24.93 Sr0.06 Ta0.07 Y0.18 Zr3
• Calculated formula: Ca4.8 Ce0.75 Cl1.08 Fe1.47 K0.24 La0.51 Mn2.34 Na13.08 Nb0.78 Nd0.15 O76.47 Si24.93 Sr0.06 Ta0.07 Y0.18 Zr3
• Title of publication: The crystal chemistry of the eudialyte group Sample: #3 Note: additional sites with low but unreported occupancies excluded
• 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: 14.2602 Å
• b: 14.2602 Å
• c: 29.98 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 5279.75 ų
• Number of distinct elements: 17
• 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