Information card for entry 9004716

Structure parameters

• Mineral name: Astrophyllite
• Formula: F0.5 Fe6.282 H8 K1.858 Na0.697 Nb0.462 O30 Rb0.142 Si8 Ti1.538
• Calculated formula: F0.5 Fe6.282 H4 K1.858 Na0.697 Nb0.462 O30 Rb0.142 Si8 Ti1.538
• Title of publication: Insights into astrophyllite-group minerals II: Crystal chemistry Note: sample US5
• Authors of publication: Piilonen, P. C.; McDonald, A. M.; Lalonde, A. E.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2003
• Journal volume: 41
• Pages of publication: 27 - 54
• a: 5.3627 Å
• b: 11.851 Å
• c: 11.668 Å
• α: 113.04°
• β: 94.523°
• γ: 103.093°
• Cell volume: 652.938 ų
• Number of distinct elements: 10
• Space group number: 2
• Hermann-Mauguin space group symbol: P -1
• Hall space group symbol: -P 1
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No