Information card for entry 9000246

Structure parameters

• Mineral name: Fluorapophyllite
• Formula: Ca4 F H16 K O28 Si8
• Calculated formula: Ca4 F H16 K O28 Si8
• Title of publication: The refinement of the crystal structure of apophyllite II. Determination of the hydrogen positions by X-ray diffraction Note: O1-B23 changed to match symmetry constraints
• Authors of publication: Chao G Y
• Journal of publication: American Mineralogist
• Year of publication: 1971
• Journal volume: 56
• Pages of publication: 1234 - 1242
• a: 8.965 Å
• b: 8.965 Å
• c: 15.767 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1267.21 ų
• Number of distinct elements: 6
• Space group number: 128
• Hermann-Mauguin space group symbol: P 4/m n c
• Hall space group symbol: -P 4 2n
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No