Information card for entry 9005650

Structure parameters

• Mineral name: Hydroxy-dravite
• Formula: Al6.303 B3 Ca0.094 Cr0.003 F0.046 Fe0.576 H0.572 K0.003 Mg2.064 Na0.724 O30.954 Si5.982 Ti0.063 V0.003 Zn0.012
• Calculated formula: Al6.303 B3 Ca0.094 Cr0.003 F0.046 Fe0.576 H0.572 K0.003 Mg2.064 Na0.724 O30.954 Si5.982 Ti0.063 V0.003 Zn0.012
• Title of publication: Crystal chemistry of the schorl-dravite series Note: Tourmaline TM235b
• 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: 15.9388 Å
• b: 15.9388 Å
• c: 7.205 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1585.17 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