Information card for entry 1011152

Structure parameters

• Chemical name: Trimagnesium dihydroxide phyllo-tetrasilicate
• Mineral name: Talc 2M
• Formula: H2 Mg3 O12 Si4
• Calculated formula: H3 Mg3 O12 Si4
• Title of publication: The crystal structures of talc and pyrophyllite.
• Authors of publication: Gruner, J W
• Journal of publication: Zeitschrift fuer Kristallographie, Kristallgeometrie, Kristallphysik, Kristallchemie (-144,1977)
• Year of publication: 1934
• Journal volume: 88
• Pages of publication: 412 - 419
• a: 5.26 ± 0.02 Å
• b: 9.1 ± 0.02 Å
• c: 18.81 ± 0.03 Å
• α: 90°
• β: 100.08°
• γ: 90°
• Cell volume: 886.5 ų
• Number of distinct elements: 4
• 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