Information card for entry 9008149

Structure parameters

• Mineral name: Leucite
• Formula: Al K0.85 Na0.15 O6 Si2
• Calculated formula: Al0.99999 K0.85 Na0.15 O6 Si2.00001
• Title of publication: A high temperature single crystal diffractometer study of leucite, (K,Na)AlSi2O6 Sample: T = 635 C Locality: Vesuvius, Italy Note: cell parameters were not reported in the paper. A value was chosen that reproduced the reported bond lengths and thermal ellipsoid axes.
• Authors of publication: Peacor, D. R.
• Journal of publication: Zeitschrift fur Kristallographie
• Year of publication: 1968
• Journal volume: 127
• Pages of publication: 213 - 224
• a: 13.53 Å
• b: 13.53 Å
• c: 13.53 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 2476.81 ų
• Ambient diffraction temperature: 908.15 K
• Number of distinct elements: 5
• Space group number: 230
• Hermann-Mauguin space group symbol: I a -3 d
• Hall space group symbol: -I 4bd 2c 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No