Cerianite-(Ce) Zaitsev A N, Chakhmouradian A R, Siidra O I, Spratt J, Williams C T, Stanley C J, Petrov S V, Britvin S N, Polyakova E A Mineralogical Magazine 75 (2011) 2813-2822 Fluorine-, yttrium- and lanthanide-rich cerianite-(Ce) from carbonatitic rocks of the Kerimasi volcano and surrounding explosion craters, Gregory Rift, northern Tanzania Locality: Gregory Rift, northern Tanzania _database_code_amcsd 0018569 CELL PARAMETERS: 5.4203 5.4203 5.4203 90.000 90.000 90.000 SPACE GROUP: Fm-3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 159.247 Density (g/cm3): 6.813 MAX. ABS. INTENSITY / VOLUME**2: 316.2203855 RIR: 15.114 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 28.52 100.00 3.1294 1 1 1 8 33.05 28.00 2.7102 2 0 0 6 47.44 51.85 1.9164 2 2 0 12 56.29 39.85 1.6343 3 1 1 24 59.04 7.28 1.5647 2 2 2 8 69.35 6.97 1.3551 4 0 0 6 76.63 14.63 1.2435 3 3 1 24 79.00 9.29 1.2120 4 2 0 24 88.34 13.37 1.1064 4 2 2 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.