Merrihueite
Khan A A, Baur W H, Forbes W C
Acta Crystallographica B28 (1972) 267-272
Synthetic magnesian merrihueite, dipotassium pentamagnesium dodecasilicate:
a tetrahedral magnesiosilicate framework crystal structure
Locality: synthetic
_database_code_amcsd 0009423
CELL PARAMETERS: 10.2220 10.2220 14.1520 90.000 90.000 120.000
SPACE GROUP: P6/mcc
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1280.620
Density (g/cm3): 2.636
MAX. ABS. INTENSITY / VOLUME**2: 8.415535921
RIR: 1.039
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
12.51 25.55 7.0760 0 0 2 2
16.04 2.19 5.5273 1 0 2 12
17.35 27.05 5.1110 1 1 0 6
20.06 44.36 4.4263 2 0 0 6
21.45 19.05 4.1432 1 1 2 12
23.71 56.81 3.7526 2 0 2 12
25.17 28.06 3.5380 0 0 4 2
26.64 3.70 3.3459 2 1 0 12
27.14 14.26 3.2853 1 0 4 12
27.39 100.00 3.2562 2 1 1 24
29.53 2.09 3.0248 2 1 2 24
30.29 4.19 2.9508 3 0 0 6
30.74 66.43 2.9090 1 1 4 12
32.40 49.18 2.7636 2 0 4 12
32.82 15.98 2.7291 2 1 3 24
35.12 33.61 2.5555 2 2 0 6
36.60 8.76 2.4552 3 1 0 12
37.17 9.20 2.4191 3 1 1 24
38.82 1.24 2.3196 3 1 2 24
39.54 1.44 2.2792 1 0 6 12
39.78 4.24 2.2661 3 0 4 12
41.46 12.66 2.1779 3 1 3 24
42.81 10.05 2.1122 4 0 2 12
43.48 3.74 2.0816 2 0 6 12
43.69 4.76 2.0716 2 2 4 12
44.62 4.69 2.0309 3 2 0 12
44.94 15.11 2.0171 3 1 4 24
46.52 2.10 1.9521 3 2 2 24
47.04 5.13 1.9318 4 1 0 12
47.50 11.72 1.9140 4 1 1 24
48.87 2.02 1.8636 4 1 2 24
49.12 16.66 1.8547 3 1 5 24
49.47 1.58 1.8424 3 0 6 12
51.09 1.23 1.7877 4 1 3 24
51.62 3.13 1.7705 5 0 0 6
51.67 11.91 1.7690 0 0 8 2
52.82 13.67 1.7332 2 2 6 12
52.91 1.95 1.7304 2 1 7 24
53.81 3.62 1.7037 3 3 0 6
54.09 4.47 1.6955 4 1 4 24
54.88 1.79 1.6730 4 2 0 12
54.92 1.17 1.6717 1 1 8 12
55.29 1.34 1.6614 4 2 1 24
55.98 2.23 1.6427 2 0 8 12
56.53 1.10 1.6281 4 2 2 24
57.78 1.01 1.5956 4 1 5 24
58.41 11.24 1.5800 5 1 1 24
59.60 1.47 1.5513 5 1 2 24
60.30 11.34 1.5350 3 3 4 12
61.08 3.33 1.5172 3 0 8 12
61.29 1.95 1.5124 4 2 4 24
61.55 2.23 1.5067 5 1 3 24
63.00 2.00 1.4754 6 0 0 6
64.01 16.99 1.4545 2 2 8 12
64.35 2.01 1.4477 4 3 1 24
64.52 5.37 1.4444 6 0 2 12
64.73 1.49 1.4402 4 2 5 24
65.60 1.86 1.4231 2 1 9 24
65.89 12.97 1.4175 5 2 0 12
66.26 4.46 1.4105 5 2 1 24
67.00 2.59 1.3967 4 1 7 24
67.58 4.23 1.3862 5 1 5 24
68.80 2.15 1.3646 4 2 6 24
68.96 4.29 1.3618 6 0 4 12
69.20 1.43 1.3576 5 2 3 24
69.65 1.30 1.3500 6 1 0 12
69.77 2.54 1.3480 2 0 10 12
70.61 2.61 1.3339 3 2 8 24
71.21 15.04 1.3242 3 1 9 24
71.57 1.26 1.3184 5 1 6 24
71.73 1.82 1.3158 5 2 4 24
72.52 1.19 1.3034 2 1 10 24
73.12 2.56 1.2943 4 3 5 24
75.12 2.06 1.2646 7 0 0 6
75.47 4.48 1.2596 5 3 1 24
78.27 4.73 1.2215 5 3 3 24
78.42 1.27 1.2195 4 1 9 24
78.73 1.23 1.2155 4 2 8 24
79.19 2.46 1.2096 6 2 2 24
79.80 4.92 1.2018 4 4 4 12
79.88 1.44 1.2008 2 1 11 24
80.57 2.74 1.1923 4 0 10 12
80.69 1.39 1.1909 7 0 4 12
83.24 1.24 1.1607 5 2 7 24
83.78 2.03 1.1546 5 3 5 24
84.27 1.44 1.1491 1 1 12 12
87.19 3.88 1.1180 5 1 9 24
87.68 2.38 1.1130 7 1 4 24
88.32 2.26 1.1066 8 0 0 6
88.36 6.41 1.1062 5 2 8 24
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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.