Information card for entry 9005649

Structure parameters

• Mineral name: Hydroxy-dravite
• Formula: Al6.228 B3 Ca0.077 F0.004 Fe0.6 H0.632 K0.004 Mg2.085 Mn0.003 Na0.751 O30.996 Si5.988 Ti0.084 V0.003 Zn0.009
• Calculated formula: Al6.228 B3 Ca0.077 F0.004 Fe0.6 H0.632 K0.004 Mg2.085 Mn0.003 Na0.751 O30.996 Si5.988 Ti0.084 V0.003 Zn0.009
• Title of publication: Crystal chemistry of the schorl-dravite series Note: Tourmaline TM235a
• Authors of publication: Bosi, F.; Lucchesi, S.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2004
• Journal volume: 16
• Pages of publication: 335 - 344
• a: 15.9433 Å
• b: 15.9433 Å
• c: 7.2095 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1587.06 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