Graeserite Biagioni C, Bonaccorsi E, Perchiazzi N, Halenius U, Zaccarini F Mineralogical Magazine 84 (2020) 766-777 Derbylite and graeserite from the Monte Arsiccio mine, Apuan Alps, Tuscany, Italy: occurrence and crystal-chemistry Note: Sample G Locality: Monte Arsiccio mine, Apuan Alps, Italy _database_code_amcsd 0020900 CELL PARAMETERS: 5.0275 14.2668 7.1663 90.000 105.123 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 496.211 Density (g/cm3): 4.731 MAX. ABS. INTENSITY / VOLUME**2: 23.62828597 RIR: 1.626 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.80 1.18 6.9181 0 0 1 2 17.86 4.13 4.9662 0 2 1 4 24.97 6.04 3.5667 0 4 0 2 25.76 3.92 3.4591 0 0 2 2 25.79 1.94 3.4544 1 1 1 4 26.24 3.73 3.3968 1 3 0 4 27.05 1.94 3.2965 -1 3 1 4 28.15 30.02 3.1702 0 4 1 4 28.20 2.78 3.1645 -1 1 2 4 28.68 59.78 3.1124 0 2 2 4 31.39 100.00 2.8501 1 3 1 4 33.43 77.72 2.6806 -1 3 2 4 35.88 17.45 2.5029 -2 0 1 2 36.16 8.19 2.4843 1 1 2 4 36.53 12.18 2.4598 1 5 0 4 37.14 6.95 2.4209 -1 5 1 4 37.84 13.20 2.3778 0 6 0 2 39.06 1.82 2.3060 0 0 3 2 39.14 1.47 2.3015 -1 1 3 4 39.40 6.18 2.2868 -2 0 2 2 40.10 4.54 2.2487 0 6 1 4 40.51 18.63 2.2266 1 5 1 4 41.14 3.88 2.1942 0 2 3 4 41.47 7.96 2.1776 -2 2 2 4 42.17 16.16 2.1429 -1 5 2 4 42.58 6.07 2.1234 2 0 1 2 44.52 15.00 2.0351 2 2 1 4 45.19 2.43 2.0063 2 4 0 4 46.73 2.20 1.9440 -2 0 3 2 46.92 1.33 1.9365 0 4 3 4 48.14 2.10 1.8900 1 5 2 4 48.34 4.73 1.8830 1 1 3 4 48.44 2.67 1.8791 1 7 0 4 48.54 1.49 1.8756 -2 2 3 4 50.55 10.95 1.8057 -1 5 3 4 51.32 13.42 1.7802 2 0 2 2 51.68 4.17 1.7688 1 7 1 4 52.94 1.04 1.7295 0 0 4 2 53.03 2.32 1.7269 0 8 1 4 53.06 2.96 1.7260 -1 7 2 4 53.13 6.16 1.7239 -2 6 1 4 53.70 1.27 1.7069 -2 4 3 4 55.21 1.78 1.6637 -3 1 1 4 55.51 3.06 1.6554 0 6 3 4 55.77 1.38 1.6482 -2 6 2 4 56.53 2.08 1.6280 -3 1 2 4 56.73 17.21 1.6226 -2 0 4 2 57.32 1.50 1.6075 3 1 0 4 58.19 1.09 1.5854 1 7 2 4 58.20 16.17 1.5851 0 8 2 4 58.36 29.30 1.5812 1 5 3 4 60.31 1.73 1.5346 -1 7 3 4 60.44 3.74 1.5316 3 3 0 4 61.31 12.59 1.5120 -1 5 4 4 61.54 1.61 1.5069 1 9 0 4 61.81 2.54 1.5010 1 1 4 4 62.37 3.05 1.4889 2 0 3 2 64.15 11.66 1.4517 -3 3 3 4 64.50 27.18 1.4446 -3 5 1 4 64.80 2.15 1.4387 1 3 4 4 65.42 11.54 1.4267 0 10 0 2 65.47 1.23 1.4256 -1 1 5 4 65.60 3.23 1.4230 3 3 1 4 66.49 6.05 1.4063 -2 8 2 4 68.38 5.06 1.3719 -1 3 5 4 68.74 8.01 1.3656 2 8 1 4 69.16 3.03 1.3583 0 2 5 4 70.11 1.47 1.3422 1 9 2 4 70.22 2.25 1.3403 -2 6 4 4 70.59 3.79 1.3342 1 5 4 4 71.84 1.59 1.3141 -2 8 3 4 74.42 1.17 1.2748 -2 4 5 4 75.94 1.77 1.2530 1 11 0 4 76.05 1.64 1.2515 -4 0 2 2 76.72 3.57 1.2422 2 2 4 4 76.92 1.44 1.2395 -2 10 1 4 78.32 1.46 1.2208 -3 7 3 4 79.07 1.23 1.2111 3 5 2 4 79.41 2.00 1.2067 1 3 5 4 80.26 3.49 1.1962 4 2 0 4 80.36 1.49 1.1948 -4 2 3 4 81.23 1.11 1.1842 2 10 1 4 83.92 2.53 1.1530 0 0 6 2 84.12 1.61 1.1507 -2 2 6 4 86.79 1.11 1.1221 -3 5 5 4 87.65 2.03 1.1133 2 10 2 4 89.69 3.33 1.0932 0 8 5 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.