Information card for entry 9000605

Structure parameters

• Mineral name: Hydroxyapophyllite
• Formula: Ca4 H17 K O29 Si8
• Calculated formula: Ca4 H17 K O29 Si8
• Title of publication: Hydroxyapophyllite, a new mineral, and a redefinition of the apophyllite group II. Crystal structure Note: sample is from Kimberley, South Africa
• Authors of publication: Rouse R C; Peacor D R; Dunn P J
• Journal of publication: American Mineralogist
• Year of publication: 1978
• Journal volume: 63
• Pages of publication: 196 - 202
• a: 8.979 Å
• b: 8.979 Å
• c: 15.83 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1276.25 ų
• Number of distinct elements: 5
• 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