Oftedalite Cooper M A, Hawthorne F C, Ball N A, Cerny P, Kristiansen R The Canadian Mineralogist 44 (2006) 943-949 Oftedalite, (Sc,Ca,Mn2+)2 K (Be,Al)3 Si12 O30, a new member of the milarite group from the Heftetjern pegmatite, Tordal, Norway: description and crystal structure Locality: Heftetjern pegmatite, Tordal, Norway _database_code_amcsd 0006096 CELL PARAMETERS: 10.0970 10.0970 13.9910 90.000 90.000 120.000 SPACE GROUP: P6/mcc X-RAY WAVELENGTH: 1.541838 Cell Volume: 1235.276 Density (g/cm3): 2.613 MAX. ABS. INTENSITY / VOLUME**2: 10.51233341 RIR: 1.310 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.65 25.78 6.9955 0 0 2 2 16.23 9.92 5.4625 1 0 2 12 17.57 38.20 5.0485 1 1 0 6 20.31 20.81 4.3721 2 0 0 6 21.71 70.63 4.0938 1 1 2 12 24.00 12.36 3.7076 2 0 2 12 25.47 23.88 3.4978 0 0 4 2 26.98 1.64 3.3050 2 1 0 12 27.46 13.61 3.2476 1 0 4 12 27.73 100.00 3.2165 2 1 1 24 29.90 3.62 2.9883 2 1 2 24 30.67 19.92 2.9148 3 0 0 6 31.11 71.85 2.8751 1 1 4 12 32.79 23.39 2.7313 2 0 4 12 33.22 11.02 2.6965 2 1 3 24 33.30 1.42 2.6905 3 0 2 12 35.57 7.50 2.5243 2 2 0 6 37.07 7.46 2.4252 3 1 0 12 37.64 6.51 2.3896 3 1 1 24 37.89 6.41 2.3744 2 2 2 12 40.02 1.00 2.2531 1 0 6 12 41.30 1.63 2.1861 4 0 0 6 41.99 5.06 2.1517 3 1 3 24 42.71 2.86 2.1169 1 1 6 12 44.01 1.31 2.0575 2 0 6 12 45.20 1.13 2.0061 3 2 0 12 45.51 8.89 1.9930 3 1 4 24 45.69 4.39 1.9858 3 2 1 24 47.66 8.76 1.9082 4 1 0 12 48.13 6.11 1.8907 4 1 1 24 49.51 10.62 1.8409 4 1 2 24 49.75 16.74 1.8327 3 1 5 24 50.10 8.25 1.8208 3 0 6 12 52.31 6.61 1.7489 0 0 8 2 52.31 8.04 1.7489 5 0 0 6 53.43 1.47 1.7149 1 0 8 12 53.50 8.68 1.7128 2 2 6 12 54.80 8.01 1.6751 4 1 4 24 55.62 1.55 1.6525 4 2 0 12 56.04 4.84 1.6411 4 2 1 24 56.22 2.47 1.6362 3 3 2 12 56.69 3.99 1.6238 2 0 8 12 57.29 1.70 1.6082 4 2 2 24 58.55 3.19 1.5765 4 1 5 24 59.06 2.33 1.5642 5 0 4 12 59.33 1.30 1.5576 4 2 3 24 60.41 1.01 1.5324 5 1 2 24 60.92 1.15 1.5207 3 2 6 24 61.11 5.69 1.5165 3 3 4 12 61.87 6.07 1.4996 3 0 8 12 62.39 1.60 1.4884 5 1 3 24 64.86 5.38 1.4376 2 2 8 12 65.41 4.51 1.4267 6 0 2 12 65.61 6.67 1.4229 4 2 5 24 66.46 2.84 1.4067 2 1 9 24 66.81 9.88 1.4002 5 2 0 12 67.19 3.30 1.3932 5 2 1 24 67.91 1.65 1.3802 4 1 7 24 69.75 4.04 1.3483 1 1 10 12 69.93 4.64 1.3453 6 0 4 12 70.18 1.02 1.3411 5 2 3 24 71.01 1.16 1.3275 6 1 1 24 72.18 7.50 1.3088 3 1 9 24 72.75 2.55 1.2999 5 2 4 24 76.22 1.31 1.2492 7 0 0 6 79.31 1.99 1.2081 6 2 1 24 79.53 1.89 1.2052 4 1 9 24 79.65 2.90 1.2038 6 1 5 24 79.86 1.73 1.2011 4 2 8 24 79.91 5.99 1.2004 5 2 6 24 80.99 5.44 1.1872 4 4 4 12 81.00 2.74 1.1870 2 1 11 24 81.89 1.45 1.1764 7 0 4 12 82.13 1.47 1.1736 6 2 3 24 85.47 1.05 1.1360 1 1 12 12 85.82 2.69 1.1323 4 2 9 24 87.93 1.54 1.1105 4 3 8 24 89.04 1.60 1.0995 7 1 4 24 89.71 6.38 1.0930 5 2 8 24 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.