Keystoneite Missen O P, Back M E, Mills S J, Roberts A C, LePage Y, Pinch W W, Mandarino J A The Canadian Mineralogist 59 (2021) 355-364 Crystal chemistry of zemannite-type structures: III. Keystoneite, the Ni2+-analogue of zemannite, and ferrotellurite discredited Locality: Keystone mine, Boulder County, Colorado, USA _database_code_amcsd 0020974 CELL PARAMETERS: 9.3667 9.3667 7.6173 90.000 90.000 120.000 SPACE GROUP: P6_3 X-RAY WAVELENGTH: 1.541838 Cell Volume: 578.769 Density (g/cm3): 4.177 MAX. ABS. INTENSITY / VOLUME**2: 66.52962179 RIR: 5.187 RIR based on corundum from Acta Crystallographica A38 (1982) 733-739 2-THETA INTENSITY D-SPACING H K L Multiplicity 10.91 100.00 8.1118 1 0 0 6 18.95 3.26 4.6834 1 1 0 6 21.91 69.33 4.0559 2 0 0 6 23.36 15.42 3.8087 0 0 2 1 24.87 1.76 3.5800 2 0 1 6 25.84 6.46 3.4476 1 0 2 6 29.13 8.67 3.0660 1 2 0 6 29.13 8.17 3.0660 2 1 0 6 30.25 18.57 2.9549 1 1 2 6 31.45 27.72 2.8442 1 2 1 6 31.45 9.39 2.8442 2 1 1 6 32.24 76.44 2.7764 2 0 2 6 33.13 1.10 2.7039 3 0 0 6 35.22 9.80 2.5482 3 0 1 6 37.10 2.64 2.4232 1 0 3 6 37.66 6.76 2.3883 1 2 2 6 38.44 15.09 2.3417 2 2 0 6 40.08 1.48 2.2498 1 3 0 6 40.08 1.40 2.2498 3 1 0 6 40.29 1.83 2.2383 2 2 1 6 40.41 1.64 2.2322 1 1 3 6 40.93 8.92 2.2048 3 0 2 6 41.87 1.83 2.1577 1 3 1 6 41.87 5.15 2.1577 3 1 1 6 41.98 2.48 2.1522 2 0 3 6 44.69 2.40 2.0280 4 0 0 6 45.47 7.80 1.9948 2 2 2 6 46.43 1.60 1.9556 2 1 3 6 46.90 1.11 1.9371 1 3 2 6 46.90 1.26 1.9371 3 1 2 6 47.76 3.65 1.9043 0 0 4 1 48.94 1.80 1.8610 3 2 0 6 49.14 2.16 1.8539 1 0 4 6 49.23 3.62 1.8509 3 0 3 6 50.48 1.59 1.8078 2 3 1 6 50.48 5.64 1.8078 3 2 1 6 51.02 10.61 1.7900 4 0 2 6 51.64 2.82 1.7701 4 1 0 6 51.83 1.43 1.7641 1 1 4 6 53.12 7.90 1.7242 1 4 1 6 53.13 10.96 1.7238 2 0 4 6 54.49 6.56 1.6839 3 1 3 6 56.74 1.68 1.6224 5 0 0 6 56.92 2.13 1.6177 1 2 4 6 57.40 4.03 1.6052 1 4 2 6 58.14 5.33 1.5868 5 0 1 6 59.36 1.49 1.5569 3 0 4 6 60.54 1.06 1.5293 3 3 1 6 61.81 4.00 1.5010 2 3 3 6 61.81 8.27 1.5010 3 2 3 6 62.91 2.99 1.4774 2 2 4 6 64.13 3.12 1.4521 1 4 3 6 65.19 2.90 1.4310 5 1 1 6 65.65 1.94 1.4221 2 4 2 6 65.65 1.95 1.4221 4 2 2 6 67.47 2.33 1.3882 4 0 4 6 68.65 1.70 1.3671 5 0 3 6 68.81 1.85 1.3643 1 2 5 6 68.81 1.29 1.3643 2 1 5 6 69.53 2.10 1.3520 6 0 0 6 71.02 1.22 1.3273 3 0 5 6 71.87 3.84 1.3136 3 4 1 6 74.04 1.22 1.2804 2 5 1 6 74.04 2.09 1.2804 5 2 1 6 75.85 1.45 1.2543 1 0 6 6 77.67 1.20 1.2294 5 2 2 6 79.03 1.63 1.2116 2 0 6 6 83.62 1.59 1.1564 5 2 3 6 83.77 1.09 1.1547 1 4 5 6 87.38 1.50 1.1161 2 2 6 6 87.77 1.59 1.1121 1 6 3 6 87.92 1.34 1.1106 5 0 5 6 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.