Okayamalite Giuli G, Bindi L, Bonazzi P American Mineralogist 85 (2000) 1512-1515 Rietveld refinement of okayamalite, Ca2SiB2O7: Structural evidence for the B/Si ordered distribution _database_code_amcsd 0002589 CELL PARAMETERS: 7.1248 7.1248 4.8177 90.000 90.000 90.000 SPACE GROUP: P-42_1m X-RAY WAVELENGTH: 1.541838 Cell Volume: 244.560 Density (g/cm3): 3.284 MAX. ABS. INTENSITY / VOLUME**2: 15.79871935 RIR: 1.566 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 22.28 1.67 3.9909 1 0 1 8 25.58 37.68 3.4819 1 1 1 4 28.00 1.59 3.1863 2 1 0 8 31.23 51.17 2.8644 2 0 1 8 33.73 100.00 2.6576 2 1 1 8 35.64 5.49 2.5190 2 2 0 4 37.33 2.04 2.4088 0 0 2 2 39.49 6.44 2.2820 1 0 2 8 40.02 14.12 2.2531 3 1 0 8 40.41 18.23 2.2323 2 2 1 4 41.55 1.46 2.1732 1 1 2 4 42.43 20.36 2.1302 3 0 1 8 44.39 5.96 2.0409 3 1 1 8 47.31 38.16 1.9215 2 1 2 8 49.88 1.58 1.8282 3 2 1 8 51.29 4.20 1.7812 4 0 0 4 52.57 6.35 1.7410 2 2 2 4 52.99 10.87 1.7280 4 1 0 8 54.65 8.87 1.6793 3 3 0 4 54.96 6.87 1.6707 4 0 1 8 55.88 20.11 1.6455 3 1 2 8 56.58 7.11 1.6266 4 1 1 8 57.38 3.81 1.6059 0 0 3 2 57.88 7.24 1.5932 4 2 0 8 58.18 9.56 1.5858 3 3 1 4 60.51 2.29 1.5300 1 1 3 4 60.61 1.79 1.5278 3 2 2 8 63.55 2.24 1.4640 2 0 3 8 65.04 5.38 1.4341 2 1 3 8 66.60 1.63 1.4041 4 1 2 8 69.40 2.64 1.3541 2 2 3 4 70.12 2.59 1.3420 5 1 1 8 70.92 2.00 1.3288 4 2 2 8 74.35 7.67 1.2758 5 2 1 8 75.48 2.80 1.2595 4 4 0 4 78.24 1.28 1.2219 5 3 0 8 79.59 1.51 1.2044 0 0 4 2 80.53 1.81 1.1927 4 0 3 8 80.96 3.56 1.1875 6 0 0 4 81.89 5.05 1.1763 4 1 3 8 83.25 4.32 1.1606 3 3 3 4 83.33 6.20 1.1596 5 2 2 8 89.30 3.33 1.0969 6 2 1 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.