Langbeinite
Mereiter K
Neues Jahrbuch fur Mineralogie, Monatshefte 1979 (1979) 182-188
Refinement of the crystal structure of langbeinite, K2Mg2(SO4)3
Locality: the Harmstorf deposit, Werratal, Hessen, Germany
_database_code_amcsd 0017885
CELL PARAMETERS: 9.9190 9.9190 9.9190 90.000 90.000 90.000
SPACE GROUP: P2_13
X-RAY WAVELENGTH: 1.541838
Cell Volume: 975.896
Density (g/cm3): 2.824
MAX. ABS. INTENSITY / VOLUME**2: 24.27840545
RIR: 2.799
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
15.47 3.77 5.7267 1 1 1 4
21.95 24.08 4.0494 2 1 1 12
26.97 3.86 3.3063 2 2 1 12
28.46 50.09 3.1367 3 0 1 12
28.46 49.91 3.1367 3 1 0 12
29.88 14.54 2.9907 3 1 1 12
32.55 14.88 2.7510 3 0 2 12
33.81 25.18 2.6510 3 2 1 12
33.81 11.94 2.6510 3 1 2 12
36.23 1.98 2.4797 4 0 0 6
37.38 4.94 2.4057 3 2 2 12
37.38 2.37 2.4057 4 0 1 12
37.38 4.96 2.4057 4 1 0 12
39.61 4.88 2.2756 3 3 1 12
40.68 1.20 2.2180 4 2 0 12
41.73 1.02 2.1645 4 1 2 12
41.73 4.10 2.1645 4 2 1 12
42.76 5.24 2.1147 3 3 2 12
44.76 7.51 2.0247 4 2 2 12
45.74 1.27 1.9838 4 3 0 12
46.69 5.36 1.9453 4 1 3 12
46.69 5.95 1.9453 4 3 1 12
47.64 1.04 1.9089 3 3 3 4
49.49 1.69 1.8419 5 0 2 12
49.49 4.67 1.8419 4 3 2 12
50.39 1.31 1.8110 5 1 2 12
53.04 1.30 1.7267 5 2 2 12
53.04 7.26 1.7267 4 4 1 12
53.90 1.33 1.7011 5 0 3 12
54.75 1.37 1.6766 5 3 1 12
56.43 1.44 1.6307 6 0 1 12
56.43 2.41 1.6307 6 1 0 12
57.25 6.48 1.6091 6 1 1 12
57.25 4.40 1.6091 5 3 2 12
57.25 4.69 1.6091 5 2 3 12
58.89 1.45 1.5683 6 0 2 12
58.89 1.56 1.5683 6 2 0 12
59.69 2.92 1.5491 6 1 2 12
59.69 1.27 1.5491 4 4 3 12
60.49 3.11 1.5305 5 1 4 12
62.85 2.78 1.4786 6 0 3 12
62.85 1.25 1.4786 6 3 0 12
62.85 2.69 1.4786 5 2 4 12
63.62 4.13 1.4625 6 3 1 12
65.16 1.43 1.4317 4 4 4 4
65.92 1.29 1.4170 6 3 2 12
65.92 1.26 1.4170 6 2 3 12
68.17 1.02 1.3755 6 4 0 12
68.92 1.29 1.3625 7 0 2 12
69.66 3.16 1.3498 7 2 1 12
69.66 1.08 1.3498 5 5 2 12
71.13 1.03 1.3255 6 2 4 12
71.13 1.63 1.3255 6 4 2 12
73.31 3.48 1.2913 7 3 1 12
74.75 1.53 1.2700 6 4 3 12
75.47 1.97 1.2597 6 1 5 12
80.42 2.93 1.1941 7 4 2 12
81.12 1.44 1.1855 6 5 3 12
82.52 1.41 1.1690 8 2 2 12
83.92 1.73 1.1531 7 3 4 12
84.61 1.30 1.1453 5 5 5 4
86.69 1.17 1.1231 7 2 5 12
88.77 1.28 1.1021 8 4 1 12
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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.