Information card for entry 9001227

Structure parameters

• Mineral name: Hornblende
• Formula: Al2.42 Ca1.83 Fe1.852 H1.34 Mg2.218 Na0.706 O24 Si6.44 Ti0.07
• Calculated formula: Al2.42 Ca1.83 Fe1.852 H1.34 Mg2.218 Na0.706 O24 Si6.44 Ti0.07
• Title of publication: Effects of oxidation-dehydrogenation in tschermakitic hornblende sample H-3, after annealing at 700 C
• Authors of publication: Phillips, M. W.; Draheim, J. E.; Popp, R. K.; Clowe, C. A.; Pinkerton, A. A.
• Journal of publication: American Mineralogist
• Year of publication: 1989
• Journal volume: 74
• Pages of publication: 764 - 773
• a: 9.786 Å
• b: 18.024 Å
• c: 5.306 Å
• α: 90°
• β: 105.09°
• γ: 90°
• Cell volume: 903.616 ų
• Sample thermal history: after annealing at 700 C
• Number of distinct elements: 9
• Space group number: 12
• Hermann-Mauguin space group symbol: C 1 2/m 1
• Hall space group symbol: -C 2y
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No