Information card for entry 9014979

Structure parameters

• Mineral name: Fluor-dravite
• Formula: Al6.03 B3 Ca0.04 F0.61 Fe0.87 H3.39 Li0.12 Mg1.83 Mn0.09 Na0.88 O30.39 Si6 Ti0.03
• Calculated formula: Al6.03 B3 Ca0.04 F0.61 Fe0.87 H3.39 Li0.12 Mg1.83 Mn0.09 Na0.88 O30.39 Si6 Ti0.03
• Title of publication: Fluor-dravite, NaMg3Al6Si6O18(BO3)3(OH)3F, a new mineral species of the tourmaline group from the Crabtree Emerald mine, Mitchell County, North Carolina: Description and crystal structure
• Authors of publication: Clark, C. M.; Hawthorne, F. C.; Ottolini, L.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2011
• Journal volume: 49
• Pages of publication: 57 - 62
• a: 15.955 Å
• b: 15.955 Å
• c: 7.153 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1576.93 ų
• Number of distinct elements: 13
• 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