Information card for entry 9010018

Structure parameters

• Mineral name: Santaclaraite
• Formula: Ca0.92 H4 Mg0.05 Mn4.03 O17 Si5
• Calculated formula: Ca0.92 H4 Mg0.05 Mn4.03 O17 Si5
• Title of publication: The crystal structure of santaclaraite, CaMn4[Si5O14(OH)](OH)*H2O: The role of hydrogen atoms in the pyroxenoid structure Note: gamma angle revised according to Am Min 66 (1981) 1281
• Authors of publication: Ohashi, Y.; Finger, L. W.
• Journal of publication: American Mineralogist
• Year of publication: 1981
• Journal volume: 66
• Pages of publication: 154 - 168
• a: 10.273 Å
• b: 11.91 Å
• c: 12.001 Å
• α: 105.77°
• β: 110.64°
• γ: 89.13°
• Cell volume: 1317.06 ų
• Number of distinct elements: 6
• Space group number: 2
• Hermann-Mauguin space group symbol: I -1
• Hall space group symbol: -P 1 (-1/2*x+1/2*y+1/2*z,1/2*x-1/2*y+1/2*z,1/2*x+1/2*y-1/2*z)
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No