Ahrensite Yamanaka T Physics and Chemistry of Minerals 13 (1986) 227-232 Crystal structures of Ni2SiO4 and Fe2SiO4 as a function of temperature and heating duration Sample: T = 200 C Locality: synthetic _database_code_amcsd 0007405 CELL PARAMETERS: 8.2513 8.2513 8.2513 90.000 90.000 90.000 SPACE GROUP: Fd3m X-RAY WAVELENGTH: 1.541838 Cell Volume: 561.781 Density (g/cm3): 4.818 MAX. ABS. INTENSITY / VOLUME**2: 61.13437865 RIR: 4.132 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 18.63 29.87 4.7639 1 1 1 8 30.65 10.88 2.9173 2 2 0 12 36.10 100.00 2.4879 3 1 1 24 37.77 13.09 2.3819 2 2 2 8 43.89 45.64 2.0628 4 0 0 6 48.06 13.28 1.8930 3 3 1 24 54.48 3.13 1.6843 4 2 2 24 58.09 8.93 1.5880 3 3 3 8 58.09 14.42 1.5880 5 1 1 24 63.81 41.92 1.4586 4 4 0 12 67.11 3.84 1.3947 5 3 1 48 72.44 1.10 1.3046 6 2 0 24 75.56 7.56 1.2583 5 3 3 24 76.59 5.52 1.2439 6 2 2 24 80.68 5.09 1.1910 4 4 4 8 83.71 1.47 1.1554 7 1 1 24 88.72 1.53 1.1026 6 4 2 48 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.