Information card for entry 9001714

Structure parameters

• Mineral name: Hennomartinite
• Formula: H4 Mn2 O10 Si2 Sr
• Calculated formula: H4 Mn2 O10 Si2 Sr
• Title of publication: Lawsonite-type phase transitions in hennomartinite, SrMn2[Si2O7](OH)2.H2O T = 245 C
• Authors of publication: Libowitzky, E.; Armbruster, T.
• Journal of publication: American Mineralogist
• Year of publication: 1996
• Journal volume: 81
• Pages of publication: 9 - 18
• a: 6.255 Å
• b: 9.067 Å
• c: 13.431 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 761.727 ų
• Ambient diffraction temperature: 518.15 K
• Number of distinct elements: 5
• Space group number: 63
• Hermann-Mauguin space group symbol: C m c m
• Hall space group symbol: -C 2c 2
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No