Lavinskyite Diffraction data computed using the structure from the paper listed below, along with the cell parameters refined from single crystal data of R141115 Yang H, Downs R T, Evans S H, Pinch W W American Mineralogist 99 (2014) 525-530 Lavinskyite, K(LiCu)Cu6(Si4O11)2(OH)4, isotypic with plancheite, a new mineral from the Wessels mine, Kalahari Manganese Fields, South Africa Locality: Wessels mine, Kalahari Manganese Fields, South Africa _database_code_amcsd 0020034 CELL PARAMETERS: 19.0480 20.3860 5.2485 90.000 90.000 90.000 SPACE GROUP: Pcnb ATOM X Y Z OCCUPANCY ISO(B) K 0.50000 0.25000 0.97250 1.000 1.887 Li 0.20810 0.30110 0.81400 0.500 4.816 Cu 0.45964 0.00661 0.25459 0.775 0.668 Mg 0.45964 0.00661 0.25459 0.225 0.668 Cu 0.37544 0.02733 0.77970 1.000 0.758 Cu 0.29265 0.05186 0.29637 1.000 0.725 Cu 0.25019 0.30433 0.70605 0.500 1.145 Si 0.64168 0.10879 0.92937 1.000 0.518 Si 0.56233 0.12204 0.43146 1.000 0.521 Si 0.40602 0.15778 0.47509 1.000 0.512 Si 0.32834 0.18205 0.98224 1.000 0.553 O 0.62791 0.03106 0.91920 1.000 0.695 O 0.54587 0.04545 0.43190 1.000 0.750 O 0.38089 0.08254 0.46530 1.000 0.679 O 0.29968 0.10819 0.99860 1.000 0.916 O 0.72370 0.12728 0.95520 1.000 1.003 O 0.59839 0.14424 0.16380 1.000 0.876 O 0.61253 0.14322 0.66770 1.000 0.908 O 0.49132 0.16592 0.46160 1.000 0.963 O 0.38343 0.19134 0.74180 1.000 0.869 O 0.37822 0.19824 0.23060 1.000 0.853 O 0.27090 0.23876 0.95970 1.000 1.271 Oh 0.46093 0.06030 0.94340 1.000 1.003 Oh 0.28510 0.00195 0.61920 1.000 0.647 H 0.27400 -0.03200 0.59300 1.000 3.158 H 0.46900 0.09600 0.91600 1.000 3.158 X-RAY WAVELENGTH: 1.541838 BOUNDS ON TWO THETA: 5.0 90.0 LIMITS IMPOSED ON THE INDICES ARE: +/- 17 +/- 18 +/- 4 MAX. ABS. INTENSITY / VOLUME**2: 25.01672544 The INTENSITY cut off value is 1.00 2-THETA INTENSITY D-SPACING H K L 8.68 100.00 10.1930 0 2 0 9.29 1.61 9.5240 2 0 0 9.84 15.96 8.9871 1 2 0 12.72 4.88 6.9590 2 2 0 17.40 4.36 5.0965 0 4 0 18.02 15.48 4.9233 1 4 0 18.63 1.06 4.7620 4 0 0 20.59 2.25 4.3144 4 2 0 21.20 1.71 4.1903 2 2 1 21.97 8.43 4.0453 3 0 1 22.37 11.49 3.9745 3 4 0 24.80 8.24 3.5908 1 4 1 24.95 3.15 3.5685 5 2 0 25.60 6.63 3.4795 4 4 0 25.63 1.17 3.4751 4 1 1 26.11 1.09 3.4134 2 4 1 26.23 8.50 3.3977 0 6 0 26.65 24.53 3.3449 1 6 0 27.88 2.44 3.2001 2 6 0 28.11 1.17 3.1747 6 0 0 28.16 6.76 3.1685 3 4 1 28.51 1.67 3.1303 4 3 1 28.96 2.95 3.0831 5 0 1 29.27 3.92 3.0513 5 4 0 29.28 1.53 3.0502 2 5 1 29.82 6.04 2.9957 3 6 0 30.29 9.39 2.9510 5 2 1 30.83 12.20 2.9001 4 4 1 31.72 3.24 2.8207 1 6 1 31.87 8.91 2.8076 5 3 1 32.37 2.01 2.7658 4 6 0 33.27 23.37 2.6926 6 1 1 33.60 8.05 2.6673 4 5 1 33.98 3.34 2.6379 5 4 1 34.16 5.98 2.6248 6 2 1 34.46 1.85 2.6028 0 1 2 34.47 2.76 2.6017 3 6 1 35.32 9.96 2.5414 0 2 2 35.40 1.38 2.5357 5 6 0 35.54 2.61 2.5257 1 8 0 35.59 21.24 2.5223 6 3 1 36.50 4.86 2.4617 2 8 0 36.54 10.37 2.4591 5 5 1 36.71 5.22 2.4480 0 3 2 37.22 3.11 2.4158 7 0 1 37.49 1.93 2.3990 7 1 1 37.78 2.17 2.3810 8 0 0 38.29 1.23 2.3506 7 2 1 38.59 12.66 2.3331 0 4 2 38.84 1.32 2.3186 8 2 0 38.89 13.66 2.3158 1 4 2 39.59 7.58 2.2762 7 3 1 39.88 7.02 2.2606 6 5 1 40.16 5.47 2.2456 4 7 1 40.90 2.87 2.2067 0 5 2 42.63 1.58 2.1209 8 2 1 42.71 7.77 2.1171 5 7 1 43.55 4.55 2.0783 7 5 1 43.58 3.53 2.0769 0 6 2 43.68 1.04 2.0722 9 2 0 43.85 2.28 2.0647 1 6 2 44.66 1.71 2.0292 2 6 2 45.73 1.37 1.9840 6 2 2 45.92 2.17 1.9764 3 9 1 45.98 2.27 1.9740 3 6 2 47.49 1.83 1.9144 8 5 1 47.72 4.31 1.9059 4 9 1 48.87 1.83 1.8637 3 7 2 48.99 2.65 1.8593 7 7 1 49.96 1.34 1.8254 5 9 1 50.02 1.20 1.8235 5 6 2 50.11 1.03 1.8205 3 10 1 50.13 1.98 1.8198 1 8 2 50.86 5.51 1.7954 2 8 2 51.80 1.17 1.7649 4 10 1 51.84 1.23 1.7635 10 2 1 52.62 2.99 1.7392 8 7 1 53.67 1.89 1.7078 1 9 2 53.69 2.47 1.7072 11 2 0 53.95 1.02 1.6996 9 6 1 54.46 2.81 1.6849 3 11 1 54.90 1.42 1.6724 2 12 0 55.62 1.70 1.6524 7 9 1 55.66 1.23 1.6514 8 8 1 56.04 1.51 1.6411 3 12 0 56.06 3.61 1.6406 4 11 1 57.44 2.19 1.6042 1 10 2 58.01 3.30 1.5899 5 0 3 58.11 3.04 1.5874 2 10 2 58.11 2.26 1.5873 12 0 0 58.88 8.23 1.5684 12 2 0 58.97 3.38 1.5663 8 9 1 59.02 1.25 1.5651 8 6 2 59.21 2.00 1.5605 3 10 2 59.44 2.25 1.5550 9 8 1 59.96 1.29 1.5428 11 6 0 60.60 10.59 1.5279 6 1 3 61.15 1.47 1.5155 12 4 0 61.17 1.53 1.5152 6 2 3 62.10 3.48 1.4947 6 3 3 62.62 1.08 1.4834 9 9 1 63.39 1.18 1.4674 6 4 3 63.64 1.92 1.4621 3 13 1 63.92 1.15 1.4565 7 2 3 64.60 1.05 1.4427 4 11 2 65.10 1.35 1.4329 4 13 1 66.35 1.68 1.4088 8 11 1 66.62 1.00 1.4038 10 6 2 67.27 2.00 1.3918 10 10 0 67.29 4.00 1.3914 3 12 2 69.17 2.06 1.3582 12 0 2 69.79 1.01 1.3475 9 11 1 69.92 1.26 1.3455 13 6 0 70.85 3.75 1.3300 11 6 2 70.88 1.29 1.3295 4 9 3 71.88 1.05 1.3134 7 7 3 71.95 1.60 1.3124 12 4 2 71.96 1.34 1.3121 0 0 4 72.33 1.72 1.3063 1 1 4 74.79 2.32 1.2694 13 2 2 75.36 1.33 1.2612 12 6 2 77.56 1.23 1.2308 4 16 0 84.95 1.12 1.1416 10 12 2 89.87 1.14 1.0915 14 8 2 ================================================================================ XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.