Information card for entry 9005328

Structure parameters

• Mineral name: Kentbrooksite
• Formula: Al0.13 Ca3.27 Cl0.269 F1.51 Fe0.79 H0.22 Hf0.06 K0.3 Mg0.05 Mn3.68 Na14.479 Nb0.55 O75.81 Si25.1 Sr0.15 Ti0.23 Y0.42 Zr2.93
• Calculated formula: Al0.1299 Ca3.27 Cl0.2695 F1.5103 Fe0.7899 Hf0.06 K0.3 Mg0.0501 Mn3.6801 Na14.4795 Nb0.55 O75.8101 Si25.1 Sr0.15 Ti0.2299 Y0.42 Zr2.9301
• Title of publication: Kentbrooksite from the Kangerdlugssuaq intrusion, East Greenland, a new Mn-REE-Nb-F end-member in a series within the eudialyte group: Description and crystal structure
• Authors of publication: Johnsen, O.; Grice, J. D.; Gault, R. A.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 1998
• Journal volume: 10
• Pages of publication: 207 - 219
• a: 14.1686 Å
• b: 14.1686 Å
• c: 30.0847 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 5230.34 ų
• Number of distinct elements: 18
• 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