Information card for entry 9014808

Structure parameters

• Mineral name: Dravite
• Formula: Al5.805 B3 Ca0.09 F0.35 Fe0.48 H3.65 K0.01 Mg2.643 Mn0.06 Na0.84 Ni0.021 O30.65 Si5.982 Ti0.021 Zn0.009
• Calculated formula: Al5.805 B3 Ca0.09 F0.35 Fe0.48 H3.65 K0.01 Mg2.643 Mn0.06 Na0.84 Ni0.021 O30.65 Si5.982 Ti0.021 Zn0.009
• Title of publication: Metamorphic ultrahigh-pressure tourmaline: structure, chemistry, and correlations to P-T conditions
• Authors of publication: Ertl, A.; Marschall, H.; Geister, G.; Henry, D.; Schertl, H. P.; Ntaflos, T.; Luvizotto, G.; Nasdala, L.; Tillmanns, E.
• Journal of publication: American Mineralogist
• Year of publication: 2010
• Journal volume: 95
• Pages of publication: 1 - 10
• a: 15.945 Å
• b: 15.945 Å
• c: 7.21 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1587.5 ų
• Number of distinct elements: 15
• 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