Information card for entry 1527748

Structure parameters

• Chemical name: Ca11.88 Mg4 Al0.88 (Si2.667 O11) (B O3)4.583 (C O3)4.75 (H2 O)
• Formula: C4.75 H2 Al0.88 B4.583 Ca11.88 Mg4 O39.999 Si2.667
• Calculated formula: C4.752 Al0.88 B4.584 Ca11.88 Mg4 O40.08 Si2.664
• Title of publication: ((Al (Si O4)4)13-) tetrahedral pentamers in harkerite
• Authors of publication: Machin, M.P.; Miehe, G.
• Journal of publication: Neues Jahrbuch fuer Mineralogie. Monatshefte (Band=Jahr) (1950-)
• Year of publication: 1976
• Journal volume: 1976
• Pages of publication: 228 - 232
• a: 14.73 Å
• b: 14.73 Å
• c: 14.73 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 3196.01 ų
• Number of distinct elements: 8
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :2
• Hall space group symbol: -F 4vw 2vw 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No