Information card for entry 9005651

Structure parameters

• Mineral name: Hydroxy-dravite
• Formula: Al6.198 B3 Ca0.257 Cr0.009 F0.126 Fe0.834 H0.47 K0.002 Mg2.013 Mn0.003 Na0.558 O30.874 Si5.856 Ti0.054 V0.009 Zn0.009
• Calculated formula: Al6.198 B3 Ca0.257 Cr0.009 F0.126 Fe0.834 H0.47 K0.002 Mg2.013 Mn0.003 Na0.558 O30.874 Si5.856 Ti0.054 V0.009 Zn0.009
• Title of publication: Crystal chemistry of the schorl-dravite series Note: Tourmaline TM112a
• 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: 15.9633 Å
• b: 15.9633 Å
• c: 7.1942 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1587.66 ų
• Number of distinct elements: 16
• 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