Akermanite Mokeeva V, Makarov E Geokhimiya 10 (1979) 1541-1544 Isomorph in melilites: refining of crystal structure of akermanite and intermediate melilite Locality: Capo di Bove, Italy _database_code_amcsd 0017811 CELL PARAMETERS: 7.7600 7.7600 5.0290 90.000 90.000 90.000 SPACE GROUP: P-42_1m X-RAY WAVELENGTH: 1.541838 Cell Volume: 302.834 Density (g/cm3): 2.952 MAX. ABS. INTENSITY / VOLUME**2: 20.64336227 RIR: 2.277 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 16.15 5.74 5.4871 1 1 0 4 17.64 8.09 5.0290 0 0 1 2 21.05 6.04 4.2203 1 0 1 8 24.00 15.20 3.7074 1 1 1 4 25.67 6.95 3.4704 2 1 0 8 29.07 23.42 3.0720 2 0 1 8 31.32 100.00 2.8563 2 1 1 8 32.64 4.56 2.7436 2 2 0 4 35.71 2.29 2.5145 0 0 2 2 36.62 18.36 2.4539 3 1 0 8 37.34 7.34 2.4085 2 2 1 4 37.60 8.00 2.3921 1 0 2 8 39.16 8.30 2.3002 3 0 1 8 39.42 3.20 2.2859 1 1 2 4 40.92 1.88 2.2054 3 1 1 8 44.50 10.80 2.0362 2 1 2 8 45.86 2.66 1.9787 3 2 1 8 46.83 6.18 1.9400 4 0 0 4 48.36 5.15 1.8821 4 1 0 8 49.15 3.88 1.8537 2 2 2 4 49.86 8.89 1.8290 3 3 0 4 51.87 7.30 1.7627 4 1 1 8 52.08 23.36 1.7562 3 1 2 8 52.76 7.41 1.7352 4 2 0 8 53.29 3.13 1.7189 3 3 1 4 56.07 1.51 1.6403 4 2 1 8 56.26 2.51 1.6351 3 2 2 8 57.48 2.11 1.6032 1 1 3 4 60.13 1.42 1.5389 2 0 3 8 61.42 5.21 1.5095 2 1 3 8 62.83 1.02 1.4791 3 3 2 4 63.91 2.91 1.4566 5 1 1 8 65.22 5.06 1.4305 2 2 3 4 65.34 1.46 1.4282 4 2 2 8 66.46 2.34 1.4068 3 0 3 8 67.63 10.24 1.3853 5 2 1 8 67.69 1.71 1.3842 3 1 3 8 68.39 3.75 1.3718 4 4 0 4 71.26 1.93 1.3234 4 4 1 4 71.43 1.40 1.3207 4 3 2 8 73.18 3.61 1.2933 6 0 0 4 75.64 1.30 1.2572 0 0 4 2 76.03 4.57 1.2518 4 1 3 8 76.14 1.23 1.2502 5 2 2 8 77.13 1.48 1.2366 6 1 1 8 77.19 1.94 1.2358 3 3 3 4 79.61 1.06 1.2042 4 4 2 4 80.59 2.15 1.1920 6 2 1 8 81.74 2.36 1.1782 5 4 1 8 81.90 1.19 1.1762 5 3 2 8 84.18 2.21 1.1501 6 0 2 8 84.83 1.19 1.1430 2 2 4 4 85.21 1.54 1.1389 4 3 3 8 85.96 1.64 1.1308 3 0 4 8 86.34 2.82 1.1268 5 1 3 8 87.10 2.05 1.1189 3 1 4 8 89.74 1.55 1.0928 5 2 3 8 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.