Slawsonite
Benna P, Nestola F, Ballaran T B, Balic-Zunic T, Lundegaard L F, Bruno E
American Mineralogist 92 (2007) 1190-1199
The high-pressure structural configurations of Ca0.2Sr0.8Al2Si2O8 feldspar:
The I-1-I2/c and I2/c-P2_1/c phase transitions
Sample: P = 6.2 GPa
Locality: synthetic
_database_code_amcsd 0004410
CELL PARAMETERS: 8.1280 12.6710 13.8660 90.000 114.980 90.000
SPACE GROUP: I2/c
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1294.470
Density (g/cm3): 3.245
MAX. ABS. INTENSITY / VOLUME**2: 9.723188248
RIR: 0.976
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.98 29.60 6.3355 0 2 0 2
14.09 8.80 6.2845 0 0 2 2
15.79 19.97 5.6140 -1 1 2 4
19.90 16.46 4.4617 0 2 2 4
22.23 6.79 3.9992 -2 0 2 2
23.23 1.01 3.8289 1 1 2 4
24.16 8.44 3.6838 2 0 0 2
24.29 32.81 3.6643 1 3 0 4
25.44 25.57 3.5016 -1 3 2 4
26.35 16.08 3.3818 -2 2 2 4
26.66 61.81 3.3436 -1 1 4 4
28.02 100.00 3.1846 2 2 0 4
28.17 8.34 3.1677 0 4 0 2
28.40 49.89 3.1422 0 0 4 2
28.51 46.06 3.1311 -2 0 4 2
30.72 49.07 2.9106 1 3 2 4
31.63 21.62 2.8287 0 4 2 4
31.79 2.44 2.8150 0 2 4 4
31.88 4.50 2.8070 -2 2 4 4
33.44 33.79 2.6796 -1 3 4 4
33.85 4.84 2.6479 -3 1 2 4
35.97 11.24 2.4968 2 2 2 4
36.17 41.54 2.4831 -2 4 2 4
36.20 12.18 2.4814 1 1 4 4
36.37 11.54 2.4704 -3 1 4 4
37.30 4.71 2.4110 3 1 0 4
38.32 14.66 2.3491 -1 5 2 4
39.50 3.68 2.2815 -2 0 6 2
39.53 11.44 2.2795 -3 3 2 4
40.10 4.88 2.2484 -1 1 6 4
41.61 5.01 2.1706 1 3 4 4
41.75 4.59 2.1633 -3 3 4 4
42.10 7.39 2.1465 -2 2 6 4
42.16 17.25 2.1433 1 5 2 4
42.82 13.20 2.1118 0 6 0 2
43.90 6.42 2.0622 2 4 2 4
44.27 5.03 2.0458 -1 5 4 4
45.07 2.66 2.0117 -4 0 2 2
45.12 2.22 2.0095 -1 3 6 4
45.15 2.03 2.0083 2 0 4 2
45.30 5.07 2.0018 0 6 2 4
45.54 6.58 1.9918 3 1 2 4
45.61 1.34 1.9889 0 2 6 4
47.42 6.67 1.9173 -4 2 2 4
47.49 6.57 1.9144 2 2 4 4
47.69 5.23 1.9069 -4 2 4 4
48.66 3.99 1.8713 -3 3 6 4
48.76 2.76 1.8674 -2 6 2 4
49.25 3.03 1.8502 -3 5 2 4
49.49 9.72 1.8419 4 0 0 2
50.12 5.21 1.8200 3 3 2 4
50.29 5.98 1.8145 -4 0 6 2
50.60 5.93 1.8041 1 1 6 4
51.00 5.24 1.7906 1 5 4 4
51.13 5.68 1.7864 -3 5 4 4
52.19 3.43 1.7528 0 6 4 4
52.25 3.03 1.7508 -2 6 4 4
52.36 7.82 1.7473 0 4 6 4
52.46 1.82 1.7443 -4 2 6 4
52.63 1.29 1.7389 -1 7 2 4
52.82 17.72 1.7332 -2 0 8 2
54.00 5.23 1.6982 -4 4 2 4
54.07 2.41 1.6962 2 4 4 4
54.25 2.80 1.6909 -4 4 4 4
54.92 1.30 1.6718 -2 2 8 4
56.97 1.23 1.6164 3 1 4 4
57.17 5.37 1.6112 -3 5 6 4
57.21 1.23 1.6103 -5 1 4 4
57.43 3.49 1.6046 -1 7 4 4
57.80 1.99 1.5951 4 0 2 2
58.25 3.50 1.5839 0 8 0 2
58.43 1.35 1.5794 -5 1 2 4
58.49 4.70 1.5781 3 5 2 4
60.74 4.52 1.5249 0 2 8 4
60.93 2.68 1.5204 3 3 4 4
60.96 4.72 1.5198 -4 2 8 4
61.16 3.13 1.5154 -5 3 4 4
61.19 3.38 1.5146 2 2 6 4
62.44 2.35 1.4872 0 6 6 4
63.15 1.79 1.4722 1 7 4 4
63.26 1.92 1.4699 -3 7 4 4
63.88 3.88 1.4573 -5 3 6 4
63.91 2.02 1.4566 -4 6 2 4
63.99 9.55 1.4551 2 8 0 4
66.27 1.57 1.4104 1 1 8 4
66.59 1.08 1.4043 -5 1 8 4
66.86 4.05 1.3994 2 4 6 4
67.30 1.03 1.3913 5 3 0 4
67.47 3.83 1.3881 4 6 0 4
69.16 2.55 1.3584 4 0 4 2
69.42 2.22 1.3538 -6 0 4 2
69.82 1.24 1.3471 3 7 2 4
70.26 2.94 1.3398 -2 6 8 4
71.22 1.64 1.3239 -5 5 6 4
72.46 3.74 1.3044 -1 9 4 4
72.67 1.22 1.3011 -2 8 6 4
74.49 2.58 1.2738 -1 3 10 4
74.95 1.31 1.2671 0 10 0 2
75.08 1.06 1.2652 2 0 8 2
75.49 1.16 1.2594 -6 0 8 2
76.62 3.66 1.2436 2 8 4 4
76.77 3.27 1.2416 -4 8 4 4
77.74 1.99 1.2285 -4 4 10 4
79.01 1.42 1.2119 -3 5 10 4
79.51 1.36 1.2055 6 2 0 4
79.89 1.11 1.2007 -5 3 10 4
84.65 2.14 1.1449 6 4 0 4
87.44 1.51 1.1154 0 8 8 4
87.64 1.42 1.1134 -4 8 8 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.