Shimazakiite Kusachi I, Kobayashi S, Takechi Y, Nakamuta Y, Nagase T, Yokoyama K, Momma K, Miyawaki R, Shigeoka M, Matsubara S Mineralogical Magazine 77 (2013) 93-105 Shimazakiite-4M and shimazakiite-4O, Ca2B2O5, two polytypes of a new mineral from Fuka, Okayama Prefecture, Japan Note: polytype Shimazakiite-4O Locality: Fuka, Okayama Prefecture, Japan _database_code_amcsd 0019799 CELL PARAMETERS: 3.5564 6.3519 19.2534 90.000 90.000 90.000 SPACE GROUP: P2_12_12_1 X-RAY WAVELENGTH: 1.541838 Cell Volume: 434.941 Density (g/cm3): 2.776 MAX. ABS. INTENSITY / VOLUME**2: 11.83222339 RIR: 1.388 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 9.19 2.62 9.6267 0 0 2 2 14.69 12.76 6.0321 0 1 1 4 16.72 3.87 5.3018 0 1 2 4 23.19 17.99 3.8363 0 1 4 4 25.47 1.91 3.4973 1 0 1 4 27.08 14.51 3.2929 0 1 5 4 27.80 2.43 3.2089 0 0 6 2 28.48 2.13 3.1336 0 2 1 4 28.70 18.73 3.1107 1 0 3 4 29.15 1.43 3.0636 1 1 1 4 29.62 54.88 3.0161 0 2 2 4 30.26 5.97 2.9535 1 1 2 4 31.27 100.00 2.8604 1 0 4 4 31.43 5.40 2.8465 0 2 3 4 32.04 26.66 2.7937 1 1 3 4 34.32 1.72 2.6126 1 0 5 4 34.39 9.16 2.6081 1 1 4 4 35.57 3.00 2.5240 0 1 7 4 36.68 8.89 2.4501 0 2 5 4 37.21 1.21 2.4162 1 1 5 4 37.37 2.24 2.4067 0 0 8 2 37.76 1.77 2.3825 1 0 6 4 37.98 2.02 2.3689 1 2 0 4 39.16 12.59 2.3003 1 2 2 4 40.06 4.59 2.2506 0 1 8 4 40.44 21.31 2.2307 1 1 6 4 42.97 9.20 2.1046 0 3 1 4 43.78 13.47 2.0679 0 3 2 4 43.99 1.87 2.0583 1 1 7 4 44.93 3.08 2.0177 1 2 5 4 45.09 3.38 2.0107 0 3 3 4 45.51 5.90 1.9932 1 0 8 4 46.88 1.64 1.9381 0 3 4 4 47.72 30.51 1.9058 1 2 6 4 47.83 22.29 1.9018 1 1 8 4 49.10 2.44 1.8553 0 3 5 4 49.47 5.30 1.8426 0 1 10 4 50.14 2.22 1.8193 1 3 0 4 50.38 6.28 1.8112 1 3 1 4 50.87 9.40 1.7949 1 2 7 4 51.09 10.66 1.7877 1 3 2 4 51.38 10.60 1.7782 2 0 0 2 51.51 1.47 1.7743 0 2 9 4 51.62 4.22 1.7707 2 0 1 4 51.73 2.01 1.7673 0 3 6 4 51.91 4.81 1.7613 1 1 9 4 52.26 1.73 1.7503 1 3 3 4 53.51 3.92 1.7124 2 1 0 4 53.74 3.77 1.7057 2 1 1 4 53.87 3.81 1.7018 1 3 4 4 54.17 2.95 1.6931 1 0 10 4 54.34 5.54 1.6883 1 2 8 4 54.37 1.43 1.6874 0 1 11 4 54.42 2.14 1.6859 2 1 2 4 55.54 1.03 1.6545 2 1 3 4 55.84 5.30 1.6464 0 2 10 4 55.89 5.26 1.6450 1 3 5 4 57.09 4.02 1.6133 2 1 4 4 58.02 1.84 1.5897 0 3 8 4 58.10 2.12 1.5877 1 2 9 4 58.30 1.44 1.5826 0 4 1 4 59.42 3.45 1.5556 0 1 12 4 59.80 3.02 1.5466 2 2 1 4 60.38 1.57 1.5329 0 2 11 4 60.43 8.13 1.5318 2 2 2 4 60.75 3.51 1.5245 1 1 11 4 61.63 1.48 1.5049 0 3 9 4 62.94 2.32 1.4768 2 2 4 4 64.05 1.80 1.4537 2 1 7 4 64.78 1.96 1.4391 2 2 5 4 65.14 1.36 1.4321 0 2 12 4 65.49 1.22 1.4252 1 1 12 4 67.46 1.67 1.3884 1 4 4 4 68.19 3.44 1.3752 0 0 14 2 69.16 1.92 1.3583 2 3 1 4 69.24 3.72 1.3570 1 4 5 4 69.75 2.92 1.3483 2 3 2 4 70.73 1.08 1.3320 2 3 3 4 71.32 2.98 1.3223 1 3 10 4 74.10 2.09 1.2795 2 1 10 4 74.15 1.18 1.2788 0 3 12 4 75.58 1.67 1.2581 0 1 15 4 75.73 1.16 1.2560 2 2 9 4 75.91 1.57 1.2535 2 3 6 4 79.30 1.67 1.2081 2 2 10 4 79.93 2.83 1.2003 1 4 9 4 80.98 1.28 1.1872 1 5 2 4 81.40 1.50 1.1822 2 4 1 4 81.49 1.16 1.1812 0 5 6 4 81.91 1.43 1.1761 1 5 3 4 82.36 1.44 1.1708 2 1 12 4 83.21 1.23 1.1610 1 5 4 4 83.45 1.27 1.1583 1 4 10 4 83.89 1.21 1.1533 0 5 7 4 84.09 1.06 1.1511 3 0 4 4 84.31 1.22 1.1487 2 3 9 4 84.32 1.88 1.1486 1 3 13 4 84.87 1.39 1.1425 1 5 5 4 85.79 1.81 1.1326 3 1 4 4 86.49 1.33 1.1253 0 2 16 4 86.66 2.02 1.1235 0 5 8 4 87.86 1.00 1.1112 2 4 6 4 89.47 1.43 1.0954 3 1 6 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.