Information card for entry 9010843

Structure parameters

• Mineral name: Astrophyllite
• Formula: Ba0.01 Ca0.14 F0.17 Fe3.2 H4 K1.96 Mg2.05 Mn0.75 Na1.65 Nb0.03 O30 Si8 Ti1.97
• Calculated formula: Ba0.01 Ca0.14 F0.17 Fe3.2 H4 K1.96 Mg2.05 Mn0.75 Na1.65 Nb0.03 O30 Si8 Ti1.97
• Title of publication: Re-investigation of the crystal structure of magnesium astrophyllite
• Authors of publication: Sokolova, E.; Camara, F.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2008
• Journal volume: 20
• Pages of publication: 253 - 260
• a: 5.3327 Å
• b: 23.1535 Å
• c: 10.3775 Å
• α: 90°
• β: 99.615°
• γ: 90°
• Cell volume: 1263.32 ų
• Number of distinct elements: 13
• 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