Prosopite Pudovkina Z V, Chernitsova N M, Pyatenko Y A Journal of Structural Chemistry 14 (1973) 345-347 Refinement of the crystalline structure of prosopite, CaAl2F4(OH)4 _database_code_amcsd 0014057 CELL PARAMETERS: 6.7600 11.1200 7.3200 90.000 95.000 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 548.159 Density (g/cm3): 2.835 MAX. ABS. INTENSITY / VOLUME**2: 13.89616822 RIR: 1.596 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 15.38 5.91 5.7603 1 1 0 4 20.08 7.13 4.4214 0 2 1 4 20.35 100.00 4.3647 1 1 1 4 24.41 8.56 3.6461 0 0 2 2 26.47 7.20 3.3671 2 0 0 2 27.47 15.42 3.2473 1 3 0 4 29.29 26.76 3.0490 0 2 2 4 29.64 12.18 3.0139 -1 3 1 4 30.60 1.15 2.9212 1 3 1 4 31.05 12.45 2.8802 2 2 0 4 32.20 1.30 2.7800 0 4 0 2 32.56 4.31 2.7497 -2 2 1 4 37.87 4.96 2.3759 1 3 2 4 37.92 1.12 2.3727 2 0 2 2 38.36 2.41 2.3468 -2 2 2 4 39.14 23.44 2.3018 -1 1 3 4 40.82 15.85 2.2107 0 4 2 4 41.02 4.05 2.2004 3 1 0 4 42.15 26.40 2.1438 2 4 0 4 43.33 4.85 2.0883 -2 4 1 4 44.33 1.23 2.0434 -1 5 1 4 44.72 9.82 2.0265 2 4 1 4 45.02 3.40 2.0138 1 5 1 4 45.67 3.64 1.9864 -1 3 3 4 46.34 9.21 1.9594 -3 1 2 4 47.34 17.40 1.9201 3 3 0 4 47.67 4.43 1.9078 1 3 3 4 50.01 12.54 1.8236 3 3 1 4 50.03 21.95 1.8230 0 0 4 2 50.23 2.49 1.8165 3 1 2 4 50.53 3.52 1.8061 1 5 2 4 50.83 3.48 1.7962 0 6 1 4 52.16 3.27 1.7537 -3 3 2 4 53.87 1.50 1.7020 1 1 4 4 54.50 5.13 1.6836 4 0 0 2 55.56 3.37 1.6540 -2 4 3 4 55.75 3.80 1.6490 3 3 2 4 56.69 3.75 1.6236 2 6 0 4 56.87 1.63 1.6190 -1 3 4 4 56.98 1.20 1.6162 -1 5 3 4 57.64 5.70 1.5991 -2 6 1 4 57.80 3.79 1.5951 -2 2 4 4 58.78 1.97 1.5709 2 6 1 4 59.01 2.56 1.5653 2 4 3 4 59.04 6.12 1.5645 -3 3 3 4 59.15 3.03 1.5619 1 3 4 4 59.82 1.80 1.5461 1 7 0 4 60.74 4.15 1.5248 3 5 1 4 61.01 4.73 1.5187 -1 7 1 4 65.23 1.97 1.4304 4 2 2 4 65.33 1.59 1.4284 -2 4 4 4 67.19 1.18 1.3932 4 4 1 4 67.37 1.85 1.3900 0 8 0 2 67.40 1.27 1.3894 1 1 5 4 68.25 5.32 1.3742 -3 3 4 4 68.86 2.46 1.3634 -3 5 3 4 69.52 5.46 1.3522 2 4 4 4 71.18 2.19 1.3247 2 6 3 4 73.04 4.29 1.2954 5 1 1 4 73.96 1.18 1.2816 -4 4 3 4 74.38 1.72 1.2754 3 3 4 4 76.76 2.16 1.2417 -4 6 1 4 76.98 2.06 1.2386 -2 6 4 4 78.62 2.39 1.2168 -5 1 3 4 80.29 2.44 1.1957 1 9 1 4 80.68 1.02 1.1910 -1 7 4 4 81.06 2.56 1.1864 4 0 4 2 84.54 1.42 1.1461 0 6 5 4 85.18 1.06 1.1392 -4 6 3 4 86.82 1.53 1.1218 3 3 5 4 87.78 1.05 1.1120 0 10 0 2 88.99 1.66 1.1000 -6 0 2 2 89.62 2.68 1.0939 -1 9 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.