Cuspidine Bellezza M, Merlino S, Perchiazzi N European Journal of Mineralogy 16 (2004) 957-969 Chemical and structural study of the Zr,Ti-disilicates in the venanzite from Pian di Celle, Umbria, Italy Locality: Pian di Celle, Umbria, Italy _database_code_amcsd 0007083 CELL PARAMETERS: 10.9190 10.4850 7.4850 90.000 109.550 90.000 SPACE GROUP: P2_1/a X-RAY WAVELENGTH: 1.541838 Cell Volume: 807.524 Density (g/cm3): 3.049 MAX. ABS. INTENSITY / VOLUME**2: 14.76054130 RIR: 1.576 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 12.05 3.83 7.3439 1 1 0 4 12.55 1.05 7.0535 0 0 1 2 16.91 3.16 5.2425 0 2 0 2 17.24 3.84 5.1448 2 0 0 2 19.56 3.98 4.5392 -2 1 1 4 21.11 2.37 4.2076 0 2 1 4 21.16 1.88 4.1993 -1 2 1 4 24.24 4.73 3.6720 2 2 0 4 26.04 4.33 3.4215 2 1 1 4 26.67 1.44 3.3427 0 1 2 4 26.80 2.29 3.3261 -2 1 2 4 26.94 1.23 3.3093 1 3 0 4 27.36 31.25 3.2599 3 1 0 4 29.32 100.00 3.0459 -1 2 2 4 30.55 13.78 2.9262 0 2 2 4 30.67 13.59 2.9151 -2 2 2 4 30.93 25.34 2.8910 2 3 0 4 31.16 49.04 2.8702 3 2 0 4 34.88 5.37 2.5724 4 0 0 2 35.34 7.42 2.5401 1 4 0 4 35.34 3.11 2.5395 2 0 2 2 35.66 3.77 2.5178 -4 0 2 2 36.18 1.32 2.4825 0 3 2 4 36.29 1.66 2.4757 -2 3 2 4 36.40 3.27 2.4681 2 1 2 4 36.71 4.15 2.4482 -4 1 2 4 36.71 2.47 2.4480 3 3 0 4 37.15 1.53 2.4202 -4 2 1 4 39.00 2.24 2.3094 4 2 0 4 39.29 6.37 2.2932 1 3 2 4 39.48 5.99 2.2825 -3 3 2 4 42.09 1.63 2.1470 -1 4 2 4 43.45 1.43 2.0827 3 4 0 4 43.69 1.08 2.0717 4 3 0 4 44.07 1.10 2.0548 1 5 0 4 44.08 10.41 2.0544 2 3 2 4 44.34 9.29 2.0429 -4 3 2 4 44.89 13.47 2.0194 5 1 0 4 45.71 5.16 1.9849 1 4 2 4 45.88 5.04 1.9779 -3 4 2 4 46.02 2.64 1.9721 3 2 2 4 46.36 2.78 1.9585 -5 2 2 4 46.78 1.24 1.9419 2 5 0 4 48.66 25.65 1.8712 -2 0 4 2 50.01 12.66 1.8239 2 4 2 4 50.18 1.19 1.8179 3 3 2 4 50.25 11.89 1.8158 -4 4 2 4 50.50 1.04 1.8072 -5 3 2 4 50.64 2.92 1.8024 0 5 2 4 50.72 3.16 1.7998 -2 5 2 4 51.05 1.21 1.7891 3 5 0 4 51.22 3.96 1.7835 4 1 2 4 51.61 3.43 1.7709 -6 1 2 4 53.06 10.06 1.7260 1 5 2 4 53.21 10.04 1.7214 -3 5 2 4 54.20 5.16 1.6924 6 1 0 4 55.54 1.56 1.6547 2 6 0 4 56.51 2.39 1.6286 1 1 4 4 56.88 1.02 1.6187 5 4 0 4 56.94 2.36 1.6171 -5 1 4 4 57.33 3.25 1.6071 4 3 2 4 57.69 3.21 1.5979 -6 3 2 4 58.64 2.51 1.5743 0 3 4 4 58.71 4.62 1.5727 1 2 4 4 58.92 2.81 1.5674 -4 3 4 4 58.99 1.73 1.5658 0 6 2 4 59.06 1.72 1.5641 -2 6 2 4 59.13 4.75 1.5623 -5 2 4 4 59.78 2.88 1.5470 5 1 2 4 60.20 2.97 1.5372 -7 1 2 4 61.49 1.02 1.5081 -1 4 4 4 61.63 1.02 1.5050 -3 4 4 4 62.68 4.29 1.4822 1 7 0 4 63.32 2.37 1.4688 5 5 0 4 64.46 2.08 1.4455 4 6 0 4 64.83 3.85 1.4381 2 7 0 4 66.01 1.83 1.4153 7 2 0 4 68.02 2.85 1.3784 3 1 4 4 68.67 2.46 1.3668 -7 1 4 4 69.36 1.03 1.3550 7 3 0 4 70.73 2.25 1.3320 5 6 0 4 72.73 1.61 1.3001 1 8 0 4 76.16 1.02 1.2499 -8 1 4 4 76.22 1.08 1.2491 8 2 0 4 78.88 2.43 1.2136 -3 2 6 4 83.08 1.19 1.1626 -1 7 4 4 83.20 1.23 1.1612 -3 7 4 4 83.77 1.69 1.1547 8 4 0 4 83.84 1.14 1.1539 4 7 2 4 84.15 1.22 1.1505 -6 7 2 4 84.95 1.08 1.1416 0 7 4 4 85.20 1.06 1.1389 -4 7 4 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.