Esseneite Cosca M A, Peacor D R American Mineralogist 72 (1987) 148-156 Chemistry and structure of esseneite (CaFeAlSiO6), a new pyroxene produced by pyrometamorphism _database_code_amcsd 0001063 CELL PARAMETERS: 9.7900 8.8220 5.3700 90.000 105.810 90.000 SPACE GROUP: C2/c X-RAY WAVELENGTH: 1.541838 Cell Volume: 446.248 Density (g/cm3): 3.504 MAX. ABS. INTENSITY / VOLUME**2: 15.34758691 RIR: 1.426 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 13.75 9.72 6.4390 1 1 0 4 18.84 9.84 4.7098 2 0 0 2 19.93 1.39 4.4552 -1 1 1 4 20.13 4.94 4.4110 0 2 0 2 27.71 10.54 3.2195 2 2 0 4 29.84 100.00 2.9942 -2 2 1 4 30.21 32.73 2.9581 3 1 0 4 30.73 18.61 2.9092 -3 1 1 4 34.72 41.41 2.5834 0 0 2 2 35.12 29.82 2.5551 -1 3 1 4 35.49 48.78 2.5292 2 2 1 4 38.22 1.84 2.3549 4 0 0 2 38.77 8.85 2.3229 3 1 1 4 39.95 12.28 2.2568 1 1 2 4 40.46 5.04 2.2292 0 2 2 4 40.92 1.28 2.2055 0 4 0 2 42.10 7.05 2.1463 3 3 0 4 42.49 18.23 2.1275 -3 3 1 4 42.84 13.56 2.1110 -4 2 1 4 44.35 9.79 2.0425 2 0 2 2 44.44 12.16 2.0387 -4 0 2 2 44.67 10.87 2.0284 0 4 1 4 45.76 6.17 1.9828 -1 3 2 4 46.83 1.21 1.9399 -2 4 1 4 48.89 2.63 1.8630 3 3 1 4 49.16 1.30 1.8535 2 2 2 4 49.47 2.69 1.8424 5 1 0 4 49.88 1.53 1.8284 1 3 2 4 51.18 1.95 1.7847 4 2 1 4 52.68 1.47 1.7374 3 1 2 4 52.79 12.32 1.7342 1 5 0 4 54.32 3.78 1.6888 -3 1 3 4 54.72 6.44 1.6774 0 4 2 4 55.00 1.73 1.6696 -1 5 1 4 55.64 16.34 1.6520 -2 2 3 4 56.66 14.52 1.6246 -5 3 1 4 57.23 6.36 1.6098 4 4 0 4 57.44 1.15 1.6043 0 2 3 4 58.15 1.70 1.5863 5 3 0 4 58.82 3.91 1.5699 6 0 0 2 59.93 7.61 1.5435 4 0 2 2 60.04 6.56 1.5408 -6 0 2 2 60.16 7.33 1.5382 3 5 0 4 60.53 3.71 1.5296 -6 2 1 4 60.77 14.15 1.5242 -1 3 3 4 61.08 2.29 1.5171 -4 2 3 4 63.24 3.62 1.4703 0 6 0 2 63.90 1.48 1.4569 4 2 2 4 65.38 15.99 1.4274 5 3 1 4 66.07 1.35 1.4142 0 6 1 4 66.12 6.34 1.4131 2 2 3 4 66.42 4.49 1.4076 1 5 2 4 66.46 10.42 1.4068 -3 5 2 4 67.59 1.42 1.3859 -2 4 3 4 70.33 6.08 1.3385 -7 1 2 4 70.59 4.72 1.3342 6 2 1 4 70.83 1.41 1.3303 7 1 0 4 70.94 3.73 1.3285 -5 3 3 4 71.81 1.22 1.3146 -1 1 4 4 71.85 4.05 1.3139 -3 1 4 4 73.28 3.22 1.2917 0 0 4 2 73.37 1.61 1.2904 -4 0 4 2 74.21 4.29 1.2779 0 6 2 4 74.23 1.45 1.2776 -2 6 2 4 75.12 1.84 1.2646 4 4 2 4 76.13 7.09 1.2503 3 5 2 4 78.05 2.19 1.2243 -1 7 1 4 79.61 2.62 1.2043 1 7 1 4 81.75 1.51 1.1780 -8 2 1 4 81.80 1.66 1.1775 8 0 0 2 82.83 3.45 1.1653 -6 0 4 2 86.19 1.05 1.1284 2 2 4 4 89.99 2.80 1.0904 -8 2 3 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.