Information card for entry 9005526

Structure parameters

• Mineral name: Phengite-2M1
• Formula: Al2.17 Fe0.21 H2 K0.98 Mg0.24 Na0.02 O12 Si3.38 Ti0.02
• Calculated formula: Al2.17 Fe0.21 H2 K0.98 Mg0.24 Na0.02 O12 Si3.38 Ti0.02
• Title of publication: Coexisting 3T and 2M_1 polytypes of phengite from Cima Pal (Val Savenca, western Alps): Chemical and polytypic zoning and structural characterisation Sample: 2M1Y Locality: Cima Pal, Val Savenca, western Alps
• Authors of publication: Ivaldi, G.; Ferraris, G.; Curetti, N.; Compagnoni, R.
• Journal of publication: European Journal of Mineralogy
• Year of publication: 2001
• Journal volume: 13
• Pages of publication: 1025 - 1034
• a: 5.2132 Å
• b: 9.051 Å
• c: 19.937 Å
• α: 90°
• β: 95.76°
• γ: 90°
• Cell volume: 935.971 ų
• Number of distinct elements: 9
• Space group number: 15
• Hermann-Mauguin space group symbol: C 1 2/c 1
• Hall space group symbol: -C 2yc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No