Bracewellite Milton C, Appleman D E, Appleman M H, Chao E C T, Cuttita F, Dinnin J I, Dwornik E J, Ingram B L, Rose H J U.S. Geological Survey Professional Paper 887 (1976) 1-29 Merumite, a complex assemblage of chromium minerals from Guyana Locality: Guyana _database_code_amcsd 0015707 CELL PARAMETERS: 4.4920 9.8600 2.9740 90.000 90.000 90.000 SPACE GROUP: Pbnm X-RAY WAVELENGTH: 1.541838 Cell Volume: 131.722 Density (g/cm3): 4.235 MAX. ABS. INTENSITY / VOLUME**2: 35.54968476 RIR: 2.733 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.99 12.06 4.9300 0 2 0 2 21.74 100.00 4.0878 1 1 0 4 26.85 13.14 3.3204 1 2 0 4 33.79 39.24 2.6525 1 3 0 4 35.24 22.22 2.5465 0 2 1 4 36.22 6.04 2.4798 1 0 1 4 36.45 15.86 2.4650 0 4 0 2 37.39 69.36 2.4049 1 1 1 8 40.15 2.26 2.2460 2 0 0 2 40.73 10.28 2.2153 1 2 1 8 41.22 2.59 2.1899 2 1 0 4 41.80 17.99 2.1610 1 4 0 4 44.32 1.17 2.0439 2 2 0 4 45.84 3.50 1.9795 1 3 1 8 47.93 5.57 1.8978 0 4 1 4 50.55 1.19 1.8057 1 5 0 4 51.85 12.21 1.7634 2 1 1 8 52.33 2.90 1.7482 1 4 1 8 54.47 32.40 1.6844 2 2 1 8 55.34 8.97 1.6602 2 4 0 4 55.95 3.15 1.6433 0 6 0 2 58.67 8.51 1.5735 2 3 1 8 59.93 22.54 1.5435 1 5 1 8 62.46 10.40 1.4870 0 0 2 2 62.70 4.95 1.4819 2 5 0 4 64.26 2.44 1.4496 2 4 1 8 64.82 11.10 1.4384 0 6 1 4 65.11 5.11 1.4327 3 2 0 4 66.96 5.66 1.3974 1 1 2 8 68.91 3.93 1.3626 3 3 0 4 69.23 1.21 1.3571 1 2 2 8 70.00 5.40 1.3440 1 7 0 4 70.40 4.15 1.3374 3 0 1 4 71.08 1.74 1.3262 2 6 0 4 71.14 1.19 1.3253 3 1 1 8 72.93 6.19 1.2971 1 3 2 8 73.35 1.76 1.2907 3 2 1 8 74.52 2.90 1.2733 0 4 2 4 76.97 2.05 1.2388 3 3 1 8 78.00 2.77 1.2250 1 4 2 8 81.96 3.73 1.1755 3 4 1 8 85.23 2.31 1.1386 0 8 1 4 87.41 3.13 1.1158 4 1 0 4 88.21 3.44 1.1077 2 4 2 8 88.30 1.07 1.1068 3 6 0 4 88.72 1.30 1.1026 0 6 2 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.