Information card for entry 1010937

Structure parameters

• Chemical name: Calcium potassium silicate hydrate *
• Mineral name: Apophyllite
• Formula: Ca4 F H16 K O28 Si8
• Calculated formula: Ca4 F H16 K O28 Si8
• Title of publication: The Structure of Apophyllite
• Authors of publication: Taylor, W H; Naray-Szabo, S
• Journal of publication: Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977)
• Year of publication: 1931
• Journal volume: 77
• Pages of publication: 146 - 159
• a: 9 Å
• b: 9 Å
• c: 15.8 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1279.8 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