Information card for entry 9004972

Structure parameters

• Mineral name: Johnsenite-(Ce)
• Formula: C H0.5 Ca5.67 Ce0.69 Cl1.5 Dy0.03 Fe0.81 Gd0.06 K0.15 La0.36 Mn2.55 Na11.85 Nb0.16 Nd0.18 O81.38 Pr0.24 Si24.96 Sr0.51 Ti0.3 W0.82 Y0.24 Zr2.7
• Calculated formula: C Ca5.67 Ce0.69 Cl1.5 Dy0.03 Fe0.81 Gd0.06 K0.15 La0.36 Mn2.55 Na11.85 Nb0.16 Nd0.18 O81.38 Pr0.24 Si24.96 Sr0.51 Ti0.3 W0.82 Y0.24 Zr2.7
• Title of publication: Johnsenite-(Ce): A new member of the eudialyte group from Mont Saint-Hilaire, Quebec, Canada Locality: Poudrette Quarry, Mont Saint-Hilaire, Rouville County, Quebec, Canada Note: Occupancies invented to satisfy constraints from paper
• Authors of publication: Grice, J. C.; Gault, R. A.
• Journal of publication: The Canadian Mineralogist
• Year of publication: 2006
• Journal volume: 44
• Pages of publication: 105 - 115
• a: 14.2675 Å
• b: 14.2675 Å
• c: 30.0369 Å
• α: 90°
• β: 90°
• γ: 120°
• Cell volume: 5295.19 ų
• Number of distinct elements: 22
• Space group number: 160
• Hermann-Mauguin space group symbol: R 3 m :H
• Hall space group symbol: R 3 -2"
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No