Grumantite Yamnova N Y, Pushcharovsky D Y, Andrianov V I, Rastsvetaeva R K, Khomyakov A P, Mikheeva M G Soviet Physics Doklady 34 (1989) 284-286 A new type of silicon-oxygen group in the structure of grumantite Na[Si2O4(OH)]*H2O Locality: Lovozero massif, Kola Peninsula, Russia _database_code_amcsd 0015617 CELL PARAMETERS: 15.9790 18.2500 7.1690 90.000 90.000 90.000 SPACE GROUP: Fdd2 X-RAY WAVELENGTH: 1.541838 Cell Volume: 2090.601 Density (g/cm3): 2.264 MAX. ABS. INTENSITY / VOLUME**2: 7.122914780 RIR: 1.024 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 14.38 48.28 6.1573 1 1 1 4 14.74 39.05 6.0110 2 2 0 4 19.46 5.05 4.5625 0 4 0 2 19.93 39.63 4.4545 1 3 1 4 21.34 16.22 4.1627 3 1 1 4 22.25 3.20 3.9948 4 0 0 2 22.44 3.55 3.9620 2 4 0 4 25.46 97.03 3.4980 3 3 1 4 26.72 28.51 3.3363 0 2 2 2 27.27 16.32 3.2704 2 0 2 2 27.99 9.08 3.1873 1 5 1 4 29.00 46.66 3.0787 2 2 2 4 29.73 100.00 3.0055 4 4 0 4 31.03 10.68 2.8823 5 1 1 4 31.47 2.77 2.8426 2 6 0 4 32.25 3.93 2.7760 3 5 1 4 33.72 10.53 2.6581 2 4 2 4 35.04 7.86 2.5607 4 2 2 4 37.12 5.87 2.4218 1 7 1 4 38.41 4.71 2.3438 1 1 3 4 38.83 1.49 2.3192 0 6 2 2 39.11 7.48 2.3031 4 4 2 4 39.53 16.28 2.2796 5 5 1 4 40.50 16.46 2.2273 2 6 2 4 40.53 7.17 2.2259 3 7 1 4 40.97 7.54 2.2030 1 3 3 4 41.72 5.30 2.1649 3 1 3 4 43.48 2.25 2.0814 6 2 2 4 44.12 1.01 2.0524 3 3 3 4 44.22 1.35 2.0481 7 3 1 4 45.21 3.62 2.0057 4 6 2 4 45.26 4.09 2.0037 6 6 0 4 45.41 6.02 1.9974 8 0 0 2 45.74 5.66 1.9838 1 5 3 4 45.80 7.95 1.9810 4 8 0 4 46.72 7.81 1.9444 5 7 1 4 46.91 4.01 1.9368 1 9 1 4 46.94 2.01 1.9358 6 4 2 4 47.79 6.11 1.9034 5 1 3 4 48.66 1.56 1.8710 2 8 2 4 48.74 3.35 1.8685 7 5 1 4 49.77 1.21 1.8322 3 9 1 4 49.84 2.94 1.8297 8 4 0 4 50.95 8.12 1.7923 0 0 4 1 52.24 1.03 1.7510 1 7 3 4 52.31 7.77 1.7490 6 6 2 4 53.34 1.81 1.7175 2 2 4 4 53.40 3.25 1.7157 9 1 1 4 53.47 4.28 1.7137 8 2 2 4 54.11 10.15 1.6949 5 5 3 4 54.89 1.11 1.6725 3 7 3 4 54.98 8.15 1.6702 7 7 1 4 55.05 1.09 1.6682 0 4 4 2 55.15 2.28 1.6654 5 9 1 4 55.41 4.80 1.6581 9 3 1 4 55.93 1.03 1.6439 7 1 3 4 56.26 1.04 1.6352 4 0 4 2 56.34 1.27 1.6329 2 4 4 4 56.46 2.84 1.6297 8 4 2 4 56.59 1.35 1.6263 0 10 2 2 57.23 1.22 1.6096 4 2 4 4 57.29 1.67 1.6082 1 11 1 4 57.86 6.54 1.5937 2 10 2 4 59.96 3.80 1.5428 5 7 3 4 60.11 7.01 1.5393 4 4 4 4 60.12 2.29 1.5390 1 9 3 4 60.92 1.35 1.5208 0 12 0 2 61.57 3.18 1.5063 4 10 2 4 61.67 1.36 1.5040 7 5 3 4 62.63 1.26 1.4832 7 9 1 4 64.62 1.96 1.4424 5 11 1 4 64.68 1.30 1.4411 10 2 2 4 64.85 2.55 1.4377 9 7 1 4 65.72 3.36 1.4208 9 1 3 4 65.79 1.41 1.4194 11 1 1 4 66.09 3.28 1.4137 6 4 4 4 67.12 2.41 1.3946 7 7 3 4 67.27 1.25 1.3918 5 9 3 4 67.48 5.07 1.3880 6 10 2 4 67.48 4.78 1.3879 2 8 4 4 67.58 1.02 1.3862 11 3 1 4 67.60 7.73 1.3859 8 8 2 4 67.98 3.11 1.3790 2 12 2 4 69.65 4.10 1.3500 3 3 5 4 70.61 1.64 1.3340 8 0 4 2 70.62 1.47 1.3338 3 13 1 4 70.86 1.12 1.3299 1 5 5 4 70.91 2.16 1.3290 4 8 4 4 71.07 1.81 1.3264 11 5 1 4 71.47 1.48 1.3199 8 2 4 4 71.90 1.62 1.3132 9 9 1 4 72.18 1.57 1.3088 10 8 0 4 75.90 3.70 1.2536 5 11 3 4 76.12 2.35 1.2505 9 7 3 4 77.00 1.01 1.2384 11 1 3 4 79.08 4.69 1.2109 2 14 2 4 79.25 2.38 1.2088 13 1 1 4 79.63 2.51 1.2040 12 4 2 4 80.91 1.72 1.1881 13 3 1 4 81.19 1.11 1.1847 0 2 6 2 81.63 1.83 1.1795 7 13 1 4 81.99 1.93 1.1752 11 5 3 4 82.78 1.20 1.1660 9 9 3 4 83.76 1.20 1.1548 12 6 2 4 84.00 1.99 1.1521 7 5 5 4 84.41 1.22 1.1476 2 12 4 4 84.74 1.07 1.1439 2 4 6 4 84.79 1.37 1.1434 3 9 5 4 85.49 3.46 1.1358 4 2 6 4 87.77 2.30 1.1121 0 6 6 2 89.28 1.09 1.0972 9 3 5 4 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.