Information card for entry 9017712

Structure parameters

• Mineral name: Graftonite-(Ca)
• Formula: Ca0.98 Fe1.39 Mg0.05 Mn0.58 O8 P2
• Calculated formula: Ca3.92 Fe5.56 Mg0.2 Mn2.32 O32 P8
• Title of publication: Graftonite-(Mn), ideally M1MnM2,M3Fe2(PO4)2, and graftonite-(Ca), ideally M1CaM2,M3Fe2(PO4)2, two new minerals of the graftonite group from Poland
• Authors of publication: Pieczka, A.; Hawthorne, F. C.; Ball, N.; Abdu, Y.; Golebiowska, B.; Wlodek, A.; Zukrowski, J.
• Journal of publication: Mineralogical Magazine
• Year of publication: 2018
• Journal volume: 82
• Pages of publication: 1307 - 1322
• a: 8.792 Å
• b: 11.743 Å
• c: 6.169 Å
• α: 90°
• β: 99.35°
• γ: 90°
• Cell volume: 628.453 ų
• Number of distinct elements: 6
• Space group number: 14
• Hermann-Mauguin space group symbol: P 1 21/c 1
• Hall space group symbol: -P 2ybc
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No