Harmotone Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from the powder pattern for R070015. Stuckenschmidt E, Fuess H, Kvick A European Journal of Mineralogy 2 (1990) 861-874 Investigation of the structure of harmotome by X-ray (293 K, 100 K) and neutron diffraction (15 K) Sample: 293 K CELL PARAMETERS: 9.864743 14.13984 8.697549 90.00000 124.7208 90.00000 SPACE GROUP: P2_1/m X-RAY WAVELENGTH: 1.541838 2-THETA INTENSITY D-SPACING H K L 10.87 44.55 8.1311 -1 0 1 10.90 53.45 8.1082 1 0 0 12.37 66.87 7.1488 0 0 1 12.54 9.57 7.0487 -1 1 1 12.57 5.65 7.0338 1 1 0 13.87 100.00 6.3798 0 1 1 17.63 38.88 5.0269 0 2 1 20.65 21.83 4.2964 -1 0 2 20.70 12.80 4.2863 1 0 1 21.60 13.57 4.1108 -1 1 2 21.64 24.23 4.1019 1 1 1 21.77 28.29 4.0777 -1 3 1 21.79 13.17 4.0748 1 3 0 21.95 39.08 4.0452 -2 2 1 22.57 3.31 3.9350 0 3 1 22.74 9.70 3.9072 -2 1 2 22.80 15.93 3.8971 2 1 0 24.22 2.35 3.6716 -1 2 2 24.26 2.53 3.6653 1 2 1 24.89 1.75 3.5744 0 0 2 25.17 3.94 3.5350 0 4 0 25.25 1.42 3.5244 -2 2 2 25.68 9.92 3.4654 0 1 2 26.13 2.38 3.4076 -2 3 1 27.49 13.91 3.2418 -1 4 1 27.50 22.66 3.2404 1 4 0 27.80 12.49 3.2067 -3 0 2 27.83 2.45 3.2025 -3 0 1 27.94 6.88 3.1899 0 2 2 28.08 2.54 3.1752 -1 3 2 28.13 35.41 3.1687 0 4 1 28.52 39.05 3.1273 -3 1 2 28.55 40.53 3.1234 -3 1 1 28.98 10.78 3.0785 -2 3 2 29.03 13.18 3.0735 2 3 0 30.58 7.49 2.9203 -3 2 2 30.62 19.98 2.9171 -3 2 1 30.82 3.20 2.8985 -2 0 3 31.10 3.94 2.8732 -2 4 1 31.38 5.31 2.8481 0 3 2 31.48 2.46 2.8394 -2 1 3 31.57 1.34 2.8316 2 1 1 32.55 5.44 2.7487 -1 0 3 32.60 7.36 2.7443 1 0 2 32.78 17.41 2.7298 -1 4 2 32.81 15.97 2.7271 1 4 1 33.17 12.21 2.6982 -1 1 3 33.23 20.16 2.6940 1 1 2 33.38 10.37 2.6818 -2 2 3 33.46 11.78 2.6753 2 2 1 33.52 15.27 2.6710 -1 5 1 33.53 13.06 2.6702 1 5 0 33.56 5.94 2.6676 -2 4 2 33.64 4.67 2.6619 -3 1 3 33.61 1.17 2.6644 2 4 0 34.06 8.95 2.6297 0 5 1 34.99 3.73 2.5619 -1 2 3 35.04 3.22 2.5583 1 2 2 35.44 15.00 2.5308 -3 2 3 35.53 10.31 2.5246 3 2 0 35.69 9.10 2.5134 0 4 2 36.35 5.80 2.4690 -2 3 3 36.40 3.56 2.4662 -4 0 2 36.43 1.11 2.4638 2 3 1 36.97 1.14 2.4295 -4 1 2 37.72 2.41 2.3829 0 0 3 37.86 4.45 2.3744 -1 3 3 37.90 6.62 2.3716 1 3 2 38.09 2.42 2.3605 1 5 1 38.15 2.21 2.3566 0 6 0 38.27 1.19 2.3498 0 1 3 38.36 4.95 2.3446 3 3 0 38.63 3.71 2.3286 -4 2 2 38.75 5.46 2.3216 -2 5 2 38.79 9.87 2.3194 2 5 0 39.09 4.05 2.3024 -4 1 3 39.16 7.90 2.2982 -4 1 1 39.80 1.57 2.2630 1 6 0 39.89 3.07 2.2581 0 2 3 40.20 3.91 2.2414 -2 4 3 40.27 4.83 2.2375 2 4 1 40.68 2.92 2.2159 -4 2 3 41.97 9.71 2.1509 -3 4 3 42.02 1.67 2.1482 -2 0 4 42.05 5.49 2.1471 3 4 0 42.47 3.16 2.1264 -2 6 1 43.29 1.47 2.0881 -4 3 1 43.77 4.89 2.0662 -1 6 2 43.80 6.04 2.0651 1 6 1 43.89 1.93 2.0610 3 2 1 44.02 6.80 2.0554 -2 2 4 44.12 4.07 2.0510 2 2 2 44.66 2.78 2.0271 4 0 0 44.73 3.17 2.0241 -2 5 3 44.80 1.70 2.0213 2 5 1 45.01 3.98 2.0121 -4 1 4 45.27 2.92 2.0013 -1 0 4 45.33 2.91 1.9989 1 0 3 45.80 1.54 1.9792 1 1 3 46.05 1.50 1.9694 1 5 2 46.09 1.79 1.9675 0 6 2 46.17 2.96 1.9644 -3 3 4 46.29 1.15 1.9595 3 3 1 46.36 1.24 1.9568 -3 5 3 46.44 3.33 1.9536 -4 2 4 46.44 2.69 1.9536 -5 0 2 46.43 1.64 1.9539 3 5 0 46.51 1.22 1.9509 2 3 2 46.57 6.80 1.9485 4 2 0 46.60 1.51 1.9475 -4 4 3 46.87 1.14 1.9368 -5 1 3 47.16 2.03 1.9256 -1 2 4 47.21 3.29 1.9235 1 2 3 47.86 1.09 1.8990 -3 6 2 47.88 1.94 1.8981 -3 6 1 49.39 1.82 1.8438 -3 4 4 49.61 1.74 1.8358 -2 4 4 49.71 1.58 1.8326 2 4 2 49.93 1.63 1.8249 -5 0 4 50.01 4.85 1.8223 0 5 3 50.40 1.61 1.8090 -2 7 2 50.49 1.23 1.8060 -5 3 3 50.49 1.97 1.8061 -5 1 1 50.67 1.31 1.7999 -4 5 3 50.73 1.89 1.7979 -4 5 1 51.00 1.01 1.7891 -1 6 3 51.06 2.31 1.7872 0 0 4 51.33 2.22 1.7784 -3 6 3 51.40 1.17 1.7762 3 6 0 51.67 7.52 1.7675 0 8 0 51.84 1.18 1.7622 -4 4 4 51.95 2.44 1.7586 0 7 2 52.98 1.12 1.7269 1 8 0 53.33 3.76 1.7163 -4 0 5 53.31 4.59 1.7171 -3 5 4 53.35 1.86 1.7158 0 8 1 53.41 3.68 1.7138 3 5 1 53.51 3.81 1.7111 4 0 1 53.55 3.26 1.7099 -5 4 2 53.57 2.85 1.7091 -3 7 2 53.59 3.05 1.7085 -3 7 1 53.75 4.75 1.7038 -4 6 2 53.93 2.03 1.6987 4 1 1 54.33 1.17 1.6872 -3 2 5 54.48 1.85 1.6829 3 2 2 54.73 6.79 1.6756 0 6 3 54.89 4.35 1.6711 0 3 4 54.93 1.01 1.6702 -2 1 5 55.36 2.20 1.6582 -4 6 3 55.63 1.26 1.6506 -4 5 4 55.87 7.48 1.6441 -6 0 3 56.28 1.11 1.6331 -6 1 3 56.49 1.44 1.6277 -1 7 3 56.52 1.36 1.6268 1 7 2 56.74 1.05 1.6209 -2 8 2 56.95 2.42 1.6156 -5 1 5 57.12 1.12 1.6111 5 1 0 57.23 2.07 1.6083 -5 5 3 57.42 1.42 1.6033 -6 0 4 57.91 1.05 1.5911 -6 1 2 57.94 2.18 1.5901 3 6 1 58.19 1.95 1.5841 -2 3 5 58.30 1.39 1.5814 2 3 3 59.02 1.17 1.5636 -6 2 4 59.35 1.83 1.5559 3 4 2 60.16 1.94 1.5368 4 6 0 60.37 1.96 1.5319 -1 2 5 60.31 2.19 1.5334 5 3 0 60.26 3.96 1.5345 0 9 1 60.43 1.15 1.5305 1 2 4 60.41 1.67 1.5310 -5 5 1 60.57 1.16 1.5273 -4 7 3 60.63 3.59 1.5260 -4 7 1 60.99 1.09 1.5179 -6 3 4 62.71 2.71 1.4803 -3 5 5 62.84 1.43 1.4774 3 5 2 62.93 1.12 1.4757 -3 7 4 62.93 1.33 1.4755 -1 9 2 62.95 1.27 1.4751 1 9 1 63.54 1.02 1.4630 -6 2 5 63.75 1.75 1.4586 -6 4 2 64.50 1.20 1.4435 2 5 3 64.59 1.33 1.4417 -4 1 6 64.53 2.10 1.4429 -5 6 4 64.79 1.89 1.4376 4 1 2 65.45 1.00 1.4248 -3 1 6 65.42 1.37 1.4254 -6 3 5 65.62 2.00 1.4215 3 1 3 66.01 1.06 1.4141 -5 1 6 66.18 1.34 1.4109 -3 9 2 66.68 3.02 1.4014 0 2 5 67.04 1.14 1.3948 -6 5 4 67.46 1.03 1.3871 0 10 1 68.01 2.42 1.3772 -6 4 5 68.16 4.10 1.3746 -6 4 1 68.36 1.06 1.3711 1 5 4 68.71 1.85 1.3649 -2 8 4 68.76 1.66 1.3640 -1 9 3 68.79 2.61 1.3635 1 9 2 69.04 1.89 1.3592 -3 9 3 69.04 1.43 1.3592 -2 10 1 69.90 1.38 1.3446 -7 3 4 70.26 1.44 1.3385 0 7 4 70.72 1.30 1.3310 -6 2 6 70.94 3.82 1.3273 -3 4 6 71.11 2.92 1.3246 3 4 3 71.10 1.29 1.3248 -1 8 4 72.28 1.15 1.3061 -1 6 5 72.46 1.74 1.3033 -7 4 3 73.09 1.06 1.2935 -3 10 1 73.93 2.50 1.2809 -2 4 6 74.05 2.22 1.2791 2 4 4 74.62 1.11 1.2708 -2 10 3 74.67 1.17 1.2701 2 10 1 75.14 1.33 1.2632 -7 4 5 75.19 1.40 1.2626 -7 0 1 75.27 1.25 1.2614 -7 4 2 75.60 1.30 1.2567 -7 -5 4 76.38 1.35 1.2458 -7 2 6 77.45 1.24 1.2313 -4 8 5 77.59 1.68 1.2294 4 8 1 77.90 1.10 1.2253 2 11 0 78.12 1.29 1.2224 0 6 5 78.35 1.58 1.2193 6 5 0 80.42 1.29 1.1931 -3 11 2 80.43 1.42 1.1929 -3 11 1 81.94 1.59 1.1748 -6 6 6 82.32 1.17 1.1703 6 3 1 83.24 1.04 1.1597 4 10 0 85.95 1.21 1.1299 -5 9 5 85.95 1.21 1.1299 -5 9 5 85.95 1.21 1.1299 -5 9 5 For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.