Penkvilksite
Merlino S, Pasero M, Artioli G, Khomyakov A P
American Mineralogist 79 (1994) 1185-1193
Penkvilksite, a new kind of silicate structure: OD character, X-ray
single-crystal (1M), and powder Rietveld (2O) refinements of two MDO polytypes
Note: polytype 1M
Data has been corrected according to the ICSD
_database_code_amcsd 0001689
CELL PARAMETERS: 8.9560 8.7270 7.3870 90.000 112.740 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 532.482
Density (g/cm3): 2.608
MAX. ABS. INTENSITY / VOLUME**2: 9.302603802
RIR: 1.161
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
10.71 100.00 8.2598 1 0 0 2
14.77 20.43 5.9989 1 1 0 4
16.51 3.09 5.3702 0 1 1 4
16.73 51.39 5.3004 -1 1 1 4
20.35 6.30 4.3635 0 2 0 2
21.52 17.28 4.1299 2 0 0 2
22.33 36.87 3.9818 1 1 1 4
22.82 2.04 3.8976 -2 1 1 4
23.05 1.89 3.8582 1 2 0 4
23.84 2.10 3.7330 2 1 0 4
24.10 1.58 3.6920 -1 0 2 2
24.22 4.40 3.6744 0 2 1 4
24.37 6.56 3.6519 -1 2 1 4
26.21 13.12 3.4003 -1 1 2 4
26.72 66.08 3.3360 -2 0 2 2
28.12 2.19 3.1732 0 1 2 4
28.57 26.72 3.1241 1 2 1 4
28.65 1.68 3.1161 -2 1 2 4
28.96 3.39 3.0829 -2 2 1 4
31.08 58.86 2.8774 2 1 1 4
32.06 1.55 2.7917 1 0 2 2
32.64 6.85 2.7438 1 3 0 4
32.99 22.59 2.7150 -3 0 2 2
33.37 7.84 2.6851 0 2 2 4
33.61 51.10 2.6666 -1 3 1 4
33.71 3.77 2.6589 1 1 2 4
33.82 1.50 2.6502 -2 2 2 4
35.94 2.18 2.4987 2 2 1 4
36.47 1.91 2.4636 -3 2 1 4
37.16 8.98 2.4192 -2 3 1 4
38.24 5.43 2.3539 -1 1 3 4
38.27 1.70 2.3516 1 2 2 4
39.08 2.69 2.3052 -3 2 2 4
39.44 3.50 2.2850 -1 3 2 4
41.15 5.75 2.1937 3 1 1 4
41.38 7.14 2.1818 0 4 0 2
41.67 4.14 2.1673 2 1 2 4
41.81 1.06 2.1605 -4 1 1 4
41.92 8.78 2.1551 -3 1 3 4
42.87 1.31 2.1094 1 4 0 4
43.44 2.69 2.0833 -3 3 1 4
43.56 1.21 2.0778 0 4 1 4
45.08 4.49 2.0113 3 2 1 4
45.12 3.17 2.0095 4 1 0 4
45.69 1.55 1.9856 -4 2 1 4
46.30 3.91 1.9611 1 4 1 4
46.61 1.07 1.9488 -4 2 2 4
47.11 1.50 1.9291 2 4 0 4
47.85 3.48 1.9011 -4 1 3 4
48.65 1.51 1.8715 -1 3 3 4
48.79 2.81 1.8665 4 2 0 4
49.62 2.37 1.8372 0 4 2 4
49.95 2.53 1.8259 -2 4 2 4
50.00 7.86 1.8241 3 0 2 2
51.02 4.14 1.7901 0 3 3 4
51.16 2.62 1.7855 3 1 2 4
51.50 3.46 1.7746 -1 1 4 4
51.53 2.33 1.7735 2 3 2 4
51.65 2.84 1.7698 -4 3 1 4
51.74 8.49 1.7668 -3 3 3 4
52.78 3.90 1.7344 -5 1 1 4
53.29 2.92 1.7190 1 4 2 4
53.60 3.26 1.7100 3 4 0 4
53.67 1.48 1.7077 1 5 0 4
53.93 9.88 1.7001 -2 2 4 4
54.25 1.67 1.6908 0 5 1 4
55.06 2.89 1.6680 -4 0 4 2
55.76 2.05 1.6486 1 3 3 4
56.14 2.70 1.6383 -4 1 4 4
56.60 3.02 1.6261 1 5 1 4
56.89 8.26 1.6185 -4 3 3 4
57.31 2.03 1.6077 2 5 0 4
58.49 1.16 1.5780 -1 5 2 4
58.74 2.57 1.5718 3 4 1 4
59.15 1.28 1.5620 2 4 2 4
59.34 1.02 1.5575 -3 4 3 4
59.50 1.81 1.5535 1 0 4 2
59.51 2.25 1.5534 0 5 2 4
59.85 1.55 1.5454 3 3 2 4
60.67 2.52 1.5264 4 3 1 4
60.73 1.58 1.5251 -3 3 4 4
60.78 6.22 1.5239 4 0 2 2
61.19 2.09 1.5146 2 5 1 4
61.23 5.80 1.5138 -5 0 4 2
61.55 2.60 1.5067 -3 5 1 4
61.87 2.08 1.4997 4 4 0 4
62.20 1.83 1.4924 -6 0 2 2
62.52 4.04 1.4855 2 3 3 4
62.79 1.35 1.4799 1 5 2 4
64.39 4.24 1.4470 -3 1 5 4
64.80 1.30 1.4387 4 2 2 4
65.74 1.32 1.4205 -1 5 3 4
66.18 2.17 1.4121 -6 2 2 4
66.33 1.77 1.4093 -2 4 4 4
67.63 1.02 1.3853 4 4 1 4
67.71 1.08 1.3839 0 5 3 4
67.76 1.44 1.3829 3 5 1 4
67.94 1.59 1.3797 -5 4 2 4
67.94 1.04 1.3796 -2 6 1 4
68.05 1.18 1.3778 -6 2 3 4
68.11 2.40 1.3766 6 0 0 2
68.94 1.36 1.3620 -4 5 2 4
69.38 1.58 1.3545 2 4 3 4
69.87 1.35 1.3462 0 1 5 4
70.67 2.72 1.3330 4 5 0 4
71.02 1.54 1.3273 3 3 3 4
71.54 1.97 1.3189 5 3 1 4
73.53 1.99 1.2880 -1 3 5 4
73.55 1.30 1.2876 5 1 2 4
73.66 1.08 1.2861 3 6 0 4
75.64 2.38 1.2572 -1 5 4 4
75.93 3.13 1.2532 -7 1 3 4
76.16 1.26 1.2500 -3 5 4 4
76.40 1.26 1.2466 -5 5 2 4
77.33 3.33 1.2339 0 3 5 4
77.49 1.98 1.2318 -6 4 2 4
77.61 1.18 1.2301 -6 3 4 4
78.59 1.10 1.2173 -3 6 3 4
80.87 1.56 1.1886 -1 0 6 2
80.91 1.44 1.1881 -4 4 5 4
84.57 1.88 1.1458 -7 3 1 4
85.79 1.32 1.1326 5 1 3 4
88.37 1.16 1.1061 0 6 4 4
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XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.