Information card for entry 9014058

Structure parameters

• Mineral name: Dravite
• Formula: Al6.109 B3.08 Ca0.09 F0.17 Fe0.06 H3.58 Li0.002 Mg2.73 Na0.82 O30.83 Si5.9 Ti0.11
• Calculated formula: Al6.1092 B3.0798 Ca0.09 F0.17 Fe0.06 H3.58 Li0.0021 Mg2.7297 Na0.82 O30.83 Si5.8998 Ti0.1098
• Title of publication: Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula Sample: Dravite 43230
• Authors of publication: Grice, J. D.; Ercit, T. S.
• Journal of publication: Neues Jahrbuch fur Mineralogie, Abhandlungen
• Year of publication: 1993
• Journal volume: 165
• Pages of publication: 245 - 266
• a: 15.941 Å
• b: 15.941 Å
• c: 7.201 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1584.73 ų
• Number of distinct elements: 12
• 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