Information card for entry 9013797

Structure parameters

• Mineral name: Groatite
• Formula: Ca H2 Mn2 Na O12 P3
• Calculated formula: Ca H2 Mn2 Na O12 P3
• Title of publication: Groatite, NaCaMn2(PO4)[PO3(OH)]2, a new mineral species of the alluaudite group from the Tanco Pegmatite, Bernic Lake, Manitoba, Canada: Description and crystal structure Locality: Tanco Pegmatite, Bernic Lake, Manitoba, Canada
• Authors of publication: Cooper, M. A.; Hawthorne, F. C.; Ball, N. A.; Ramik, R. A.; Roberts, A. C.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2009
• Journal volume: 47
• Pages of publication: 1225 - 1235
• a: 12.5435 Å
• b: 12.4324 Å
• c: 6.7121 Å
• α: 90°
• β: 115.332°
• γ: 90°
• Cell volume: 946.075 ų
• Number of distinct elements: 6
• 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