Information card for entry 9004021

Structure parameters

• Mineral name: Pyrochlore
• Formula: Ca0.72 Ce0.04 F0.46 Fe0.08 H1.908 K0.05 La0.01 Mn0.04 Na0.18 Nb1.48 Nd0.01 O6.54 Pb0.01 Si0.24 Sr0.08 Ta0.04 Ti0.16 U0.02
• Calculated formula: Ca0.72 Ce0.04 F0.46 Fe0.08 K0.05 La0.01 Mn0.04 Na0.18 Nb1.48 Nd0.01 O6.54 Pb0.01 Si0.24 Sr0.08 Ta0.04 Ti0.16 U0.02
• Title of publication: Single-crystal diffraction and transmission electron microscopy studies of "silicified" pyrochlore from Narssarssk, Julianehaab district, Greenland Sample: 170a
• Authors of publication: Bonazzi, P.; Bindi, L.; Zoppi, M.; Capitani, G. C.; Olmi, F.
• Journal of publication: American Mineralogist
• Year of publication: 2006
• Journal volume: 91
• Pages of publication: 794 - 801
• a: 10.3738 Å
• b: 10.3738 Å
• c: 10.3738 Å
• α: 90°
• β: 90°
• γ: 90°
• Cell volume: 1116.38 ų
• Number of distinct elements: 18
• Space group number: 227
• Hermann-Mauguin space group symbol: F d -3 m :2
• Hall space group symbol: -F 4vw 2vw 3
• Has coordinates: Yes
• Has disorder: No
• Has Fobs: No