Brianite
Alkemper J, Fuess H
Zeitschrift fur Kristallographie 213 (1998) 282-287
The crystal structures of NaMgPO4, Na2CaMg(PO4)2 and Na18Ca13Mg5(PO4)18:
new examples for glaserite related structures
Locality: synthetic
Note: known as the alpha polymorph of Na2CaMg(PO4)2
_database_code_amcsd 0011078
CELL PARAMETERS: 9.1200 5.1980 13.3700 90.000 90.780 90.000
SPACE GROUP: P2_1/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 633.756
Density (g/cm3): 3.147
MAX. ABS. INTENSITY / VOLUME**2: 10.95969590
RIR: 1.134
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
20.72 1.07 4.2872 -1 1 1 4
20.80 3.25 4.2697 1 1 1 4
23.47 12.71 3.7908 -2 0 2 2
23.70 19.14 3.7537 -1 1 2 4
23.77 9.61 3.7431 2 0 2 2
23.85 25.20 3.7303 1 1 2 4
26.67 12.83 3.3422 0 0 4 2
28.23 10.59 3.1613 1 1 3 4
33.01 29.20 2.7133 -2 0 4 2
33.24 14.75 2.6952 -1 1 4 4
33.46 8.19 2.6783 2 0 4 2
33.46 36.13 2.6779 1 1 4 4
34.17 100.00 2.6240 3 1 0 4
34.51 38.05 2.5990 0 2 0 2
35.18 1.60 2.5512 0 2 1 4
36.64 3.62 2.4524 -3 1 2 4
36.95 3.95 2.4328 3 1 2 4
37.11 1.12 2.4223 0 2 2 4
39.03 12.67 2.3076 -1 1 5 4
39.27 5.06 2.2940 1 1 5 4
39.53 3.31 2.2798 4 0 0 2
39.93 4.49 2.2579 2 2 0 4
40.08 2.21 2.2496 3 1 3 4
40.47 1.48 2.2289 -2 2 1 4
40.48 17.05 2.2281 0 0 6 2
40.56 6.51 2.2240 2 2 1 4
41.68 5.38 2.1668 -4 0 2 2
42.05 1.16 2.1488 4 0 2 2
42.16 1.99 2.1436 -2 2 2 4
42.34 4.60 2.1348 2 2 2 4
44.88 8.27 2.0196 -2 2 3 4
45.04 1.06 2.0127 -2 0 6 2
45.14 7.75 2.0087 2 2 3 4
45.52 2.10 1.9928 1 1 6 4
48.50 40.33 1.8769 -2 2 4 4
48.65 24.01 1.8715 4 0 4 2
48.83 1.91 1.8652 2 2 4 4
52.12 1.09 1.7547 1 1 7 4
52.90 4.03 1.7309 -2 2 5 4
54.01 1.04 1.6978 4 2 1 4
54.22 1.01 1.6916 0 2 6 4
54.31 1.34 1.6891 -1 3 1 4
54.33 1.57 1.6887 3 1 6 4
54.35 2.88 1.6880 1 3 1 4
54.95 9.08 1.6711 0 0 8 2
55.19 1.37 1.6643 -4 2 2 4
55.29 1.66 1.6615 5 1 2 4
55.69 2.02 1.6506 -1 3 2 4
57.84 1.13 1.5942 4 2 3 4
57.95 1.23 1.5915 -1 3 3 4
57.95 1.29 1.5913 -2 2 6 4
58.05 1.83 1.5888 1 3 3 4
58.79 2.09 1.5707 -1 1 8 4
59.14 1.83 1.5622 2 0 8 2
59.53 1.22 1.5528 -3 1 7 4
60.16 7.57 1.5381 -5 1 4 4
60.45 1.03 1.5314 -4 2 4 4
60.86 1.66 1.5221 5 1 4 4
60.96 7.17 1.5199 6 0 0 2
61.01 6.59 1.5187 4 2 4 4
61.02 1.09 1.5184 -1 3 4 4
61.16 7.34 1.5153 1 3 4 4
61.61 7.96 1.5053 3 3 0 4
64.07 1.47 1.4533 2 2 7 4
64.86 1.14 1.4376 -1 3 5 4
64.93 1.18 1.4362 4 2 5 4
65.91 7.61 1.4171 -3 1 8 4
66.52 5.67 1.4056 0 2 8 4
66.71 7.08 1.4021 3 1 8 4
69.26 1.88 1.3566 -4 0 8 2
69.59 1.11 1.3510 1 3 6 4
69.79 1.42 1.3476 -2 2 8 4
70.31 2.16 1.3389 2 2 8 4
71.97 14.61 1.3120 6 2 0 4
72.77 2.55 1.2995 0 4 0 2
73.17 2.23 1.2934 0 4 1 4
73.56 1.27 1.2876 -2 0 10 2
73.78 1.23 1.2842 -1 1 10 4
74.59 1.32 1.2723 -1 3 7 4
76.33 1.81 1.2475 0 4 3 4
77.91 1.06 1.2262 -6 2 4 4
79.00 1.09 1.2120 -5 3 3 4
79.06 1.36 1.2112 0 4 4 4
79.59 1.42 1.2045 -2 4 3 4
81.63 1.43 1.1795 -5 3 4 4
81.85 2.86 1.1769 7 1 4 4
82.26 1.32 1.1720 -2 4 4 4
85.77 1.28 1.1329 5 3 5 4
85.84 1.37 1.1321 -6 0 8 2
86.78 1.95 1.1222 -3 3 8 4
87.30 1.87 1.1168 6 0 8 2
87.51 1.73 1.1147 3 3 8 4
89.38 1.14 1.0962 -4 4 3 4
89.75 1.59 1.0926 4 4 3 4
89.84 1.12 1.0917 -2 4 6 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.