Information card for entry 9000042

Structure parameters

• Mineral name: Dravite
• Formula: Al6 B3 H4 Mg3 Na O31 Si6
• Calculated formula: Al6 B3 H4 Mg3 Na O31 Si6
• Title of publication: The structure of tourmaline
• Authors of publication: Hamburger, G. E.; Buerger, M. J.
• Journal of publication: American Mineralogist
• Year of publication: 1948
• Journal volume: 33
• Pages of publication: 532 - 540
• a: 15.951 Å
• b: 15.951 Å
• c: 7.24 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1595.31 ų
• Number of distinct elements: 7
• 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