Information card for entry 1535515

Structure parameters

• Chemical name: K Mg2.64 Ge3.72 Al.28 O10 F2
• Formula: Al0.28 F2 Ge3.72 K Mg2.64 O10
• Calculated formula: Al0.28 F2 Ge3.72 K Mg2.64 O10
• Title of publication: The crystal structure of a germanate mica K Mg2.5+x Ge4-2x Al2x O10 F2 (x= .14) and distortion of (Ge, Al) O4 tetrahedra
• Authors of publication: Toraya, H.; Marumo, F.
• Journal of publication: Mineralogical Journal (Japan)
• Year of publication: 1983
• Journal volume: 11
• Pages of publication: 222 - 231
• a: 5.413 Å
• b: 9.368 Å
• c: 10.531 Å
• α: 90°
• β: 99.88°
• γ: 90°
• Cell volume: 526.096 ų
• Number of distinct elements: 6
• 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