Information card for entry 9012638

Structure parameters

• Mineral name: Kentbrooksite
• Formula: Ca2.1 Ce0.579 Cl0.3 F0.5 Fe0.15 H3.816 Hf0.051 K0.099 La0.342 Mn3.6 Na16.002 Nb0.4 Nd0.228 O77.11 Si25.6 Sr0.45 Ti0.099 Zr3.3
• Calculated formula: Ca2.1 Ce0.579 Cl0.3 F0.5 Fe0.15 H6.86 Hf0.051 K0.099 La0.342 Mn3.6 Na16.002 Nb0.4 Nd0.228 O77.11 Si25.6 Sr0.45 Ti0.099 Zr3.3
• Title of publication: Crystal structure of a novel analog of eudialyte with R3 symmetry
• Authors of publication: Rastsvetaeva, R. K.; Khomyakov, A. P.; Nekrasov, Y. V.
• Journal of publication: Crystallography Reports
• Year of publication: 1999
• Journal volume: 44
• Pages of publication: 765 - 769
• a: 14.182 Å
• b: 14.182 Å
• c: 30.37 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 5289.94 ų
• Number of distinct elements: 18
• Space group number: 146
• Hermann-Mauguin space group symbol: R 3 :H
• Hall space group symbol: R 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No