Information card for entry 9012215

Structure parameters

• Mineral name: Heulandite-K
• Formula: Al4.3 H46 K4.2 O45.64 Si13.7
• Calculated formula: Al4.3 H19.28 K4.2 O45.64 Si13.7
• Title of publication: Na, K, Rb and Cs exchange in heulandite single-crystals: X-ray structure refinements at 100 K Sample: T = 100 K
• Authors of publication: Yang, P.; Armbruster, T.
• Journal of publication: Journal of Solid State Chemistry
• Year of publication: 1996
• Journal volume: 123
• Pages of publication: 140 - 149
• a: 17.636 Å
• b: 17.934 Å
• c: 7.397 Å
• α: 90°
• β: 116°
• γ: 90°
• Cell volume: 2102.78 ų
• Ambient diffraction temperature: 100 K
• Number of distinct elements: 5
• 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