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 F Locality: Monte Arsiccio mine, Apuan Alps, Italy _database_code_amcsd 0020901 CELL PARAMETERS: 5.0225 14.3114 7.1743 90.000 104.878 90.000 SPACE GROUP: C2/m X-RAY WAVELENGTH: 1.541838 Cell Volume: 498.393 Density (g/cm3): 4.583 MAX. ABS. INTENSITY / VOLUME**2: 21.47141190 RIR: 1.526 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 17.81 4.25 4.9795 0 2 1 4 20.42 1.28 4.3493 -1 1 1 4 24.89 5.43 3.5779 0 4 0 2 25.70 4.55 3.4669 0 0 2 2 25.72 1.54 3.4631 1 1 1 4 26.19 3.78 3.4024 1 3 0 4 27.03 2.27 3.2983 -1 3 1 4 28.06 29.53 3.1795 0 4 1 4 28.22 2.04 3.1622 -1 1 2 4 28.61 59.31 3.1200 0 2 2 4 31.30 100.00 2.8578 1 3 1 4 33.42 78.14 2.6816 -1 3 2 4 35.93 21.09 2.4996 -2 0 1 2 36.04 9.14 2.4919 1 1 2 4 36.44 10.87 2.4656 1 5 0 4 37.07 6.36 2.4250 -1 5 1 4 37.71 12.93 2.3852 0 6 0 2 38.97 1.28 2.3113 0 0 3 2 39.14 2.21 2.3017 -1 1 3 4 39.48 4.40 2.2826 -2 0 2 2 39.97 4.81 2.2555 0 6 1 4 40.39 22.17 2.2330 1 5 1 4 41.04 3.61 2.1994 0 2 3 4 41.53 4.16 2.1746 -2 2 2 4 42.11 14.65 2.1458 -1 5 2 4 42.50 5.52 2.1268 2 0 1 2 44.44 15.67 2.0387 2 2 1 4 45.14 3.86 2.0085 2 4 0 4 46.79 1.50 1.9414 0 4 3 4 46.80 4.00 1.9410 -2 0 3 2 47.23 2.42 1.9243 -2 4 2 4 47.99 1.90 1.8959 1 5 2 4 48.18 4.91 1.8888 1 1 3 4 48.30 2.51 1.8842 1 7 0 4 48.60 3.03 1.8734 -2 2 3 4 50.48 10.49 1.8080 -1 5 3 4 51.19 13.45 1.7846 2 0 2 2 51.51 3.90 1.7741 1 7 1 4 51.63 1.30 1.7703 -1 1 4 4 51.65 1.28 1.7696 1 3 3 4 52.81 1.23 1.7334 0 0 4 2 52.85 2.21 1.7322 0 8 1 4 52.95 3.19 1.7294 -1 7 2 4 53.07 7.86 1.7256 -2 6 1 4 55.35 2.74 1.6598 0 6 3 4 55.74 2.61 1.6491 -2 6 2 4 56.63 1.20 1.6254 -3 1 2 4 56.79 14.47 1.6211 -2 0 4 2 57.99 1.14 1.5903 1 7 2 4 58.02 16.23 1.5898 0 8 2 4 58.16 29.73 1.5862 1 5 3 4 60.19 2.06 1.5374 -1 7 3 4 60.41 6.02 1.5323 3 3 0 4 61.22 13.64 1.5140 -1 5 4 4 61.35 1.65 1.5111 1 9 0 4 61.60 2.71 1.5056 1 1 4 4 62.17 2.82 1.4932 2 0 3 2 62.54 1.10 1.4851 3 1 1 4 64.25 10.59 1.4498 -3 3 3 4 64.50 22.33 1.4448 -3 5 1 4 64.58 1.86 1.4431 1 3 4 4 65.19 11.55 1.4311 0 10 0 2 65.40 1.67 1.4271 -1 1 5 4 65.50 1.89 1.4250 3 3 1 4 66.39 4.53 1.4080 -2 8 2 4 68.29 4.10 1.3735 -1 3 5 4 68.54 8.09 1.3690 2 8 1 4 68.98 2.87 1.3614 0 2 5 4 69.86 1.51 1.3464 1 9 2 4 70.20 1.51 1.3408 -2 6 4 4 70.35 3.82 1.3383 1 5 4 4 71.75 2.30 1.3155 -2 8 3 4 75.68 1.62 1.2567 1 11 0 4 76.17 2.04 1.2498 -4 0 2 2 76.45 3.90 1.2460 2 2 4 4 76.74 1.88 1.2420 -2 10 1 4 78.33 1.21 1.2207 -3 7 3 4 78.86 1.74 1.2138 3 5 2 4 79.13 2.17 1.2103 1 3 5 4 79.17 1.36 1.2099 -4 0 3 2 80.23 2.77 1.1964 4 2 0 4 83.69 2.44 1.1556 0 0 6 2 84.11 1.59 1.1509 -2 2 6 4 84.98 1.17 1.1413 -4 0 4 2 86.86 1.78 1.1214 -3 5 5 4 87.34 2.06 1.1165 2 10 2 4 89.40 3.20 1.0960 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.