Information card for entry 9005012

Structure parameters

• Mineral name: Milarite
• Formula: Al0.639 Be2.361 Ca2 K1.37 O30 Si12
• Calculated formula: Al0.639 Be2.361 Ca2 K1.37 O30 Si12
• Title of publication: Crystal chemistry of double-ring silicates: Structure of natural and dehydrated milarite at 100 K Note: heated sample
• Authors of publication: Armbruster, T.; Bermanec, V.; Wenger, M.; Oberhansli, R.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 1989
• Journal volume: 1
• Pages of publication: 353 - 362
• a: 10.363 Å
• b: 10.363 Å
• c: 13.827 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 1285.97 ų
• Number of distinct elements: 6
• Space group number: 192
• Hermann-Mauguin space group symbol: P 6/m c c
• Hall space group symbol: -P 6 2c
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No