Information card for entry 9017426

Structure parameters

• Mineral name: Mariinskite
• Formula: Al0.32 Be0.45 Cr0.71 O2
• Calculated formula: Al2.56 Be3.6 Cr5.68 O16
• Title of publication: Specific features of cation distribution in the crystal structure of mariinskite BeCr2O4 (derivative of olivine-type structure) Note: Sample 1
• Authors of publication: Yamnova, N. A.; Aksenov, S. M.; Pautov, L. A.; Popov, M. P.; Erokhin, Y. V.
• Journal of publication: Crystallography Reports
• Year of publication: 2014
• Journal volume: 59
• Pages of publication: 30 - 35
• a: 4.487 Å
• b: 5.629 Å
• c: 9.732 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 245.804 ų
• Number of distinct elements: 4
• Space group number: 19
• Hermann-Mauguin space group symbol: P 21 21 21 (a+1/4,b-1/4,c)
• Hall space group symbol: P 2ac 2ab (x-1/4,y+1/4,z)
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No