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 = 3.2 GPa
Locality: synthetic
_database_code_amcsd 0004408
CELL PARAMETERS: 8.2560 12.8420 14.0880 90.510 115.380 90.880
SPACE GROUP: I-1
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1349.142
Density (g/cm3): 3.113
MAX. ABS. INTENSITY / VOLUME**2: 5.372276873
RIR: 0.562
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.60 2.12 6.5088 -1 1 0 2
13.80 43.47 6.4193 0 2 0 2
13.92 16.66 6.3632 0 0 2 2
15.51 15.67 5.7121 -1 1 2 2
15.52 12.72 5.7077 -1 -1 2 2
19.47 26.62 4.5584 0 -2 2 2
19.81 11.11 4.4809 0 2 2 2
21.86 18.06 4.0664 -2 0 2 2
22.84 1.05 3.8938 1 -1 2 2
23.14 1.45 3.8438 1 1 2 2
23.75 32.15 3.7463 -1 3 0 2
23.86 17.34 3.7287 2 0 0 2
24.20 37.27 3.6782 1 3 0 2
25.05 20.62 3.5548 -1 3 2 2
25.07 25.26 3.5516 -1 -3 2 2
25.79 17.04 3.4543 -2 2 2 2
26.08 19.32 3.4164 -2 -2 2 2
26.18 57.56 3.4042 -1 -1 4 2
26.30 62.75 3.3886 -1 1 4 2
27.41 100.00 3.2544 -2 2 0 2
27.80 16.55 3.2096 0 4 0 2
27.93 89.56 3.1950 2 2 0 2
27.99 95.43 3.1876 -2 0 4 2
28.05 92.47 3.1816 0 0 4 2
30.01 47.97 2.9779 1 -3 2 2
30.70 54.04 2.9118 1 3 2 2
30.99 36.03 2.8857 0 -4 2 2
31.16 8.13 2.8703 0 -2 4 2
31.32 2.48 2.8561 -2 2 4 2
31.34 3.47 2.8539 -2 -2 4 2
31.43 13.14 2.8462 0 4 2 2
31.60 1.25 2.8314 0 2 4 2
32.63 1.69 2.7444 2 0 2 2
32.79 37.29 2.7314 -1 -3 4 2
33.09 36.82 2.7075 -1 3 4 2
33.22 4.68 2.6972 -3 1 2 2
33.44 3.43 2.6795 -3 -1 2 2
35.27 10.62 2.5447 2 -2 2 2
35.42 38.69 2.5345 -2 4 2 2
35.65 16.49 2.5182 1 -1 4 2
35.66 12.34 2.5177 -3 1 4 2
35.77 14.04 2.5099 -3 -1 4 2
35.85 49.94 2.5046 -2 -4 2 2
35.88 9.25 2.5028 2 2 2 2
35.95 10.02 2.4979 1 1 4 2
36.68 5.43 2.4502 -3 1 0 2
36.98 5.33 2.4309 3 1 0 2
37.28 1.54 2.4121 1 5 0 2
37.76 15.28 2.3826 -1 5 2 2
37.78 12.14 2.3810 -1 -5 2 2
38.64 13.90 2.3301 -3 3 2 2
38.81 4.01 2.3202 -2 0 6 2
39.23 10.44 2.2963 -3 -3 2 2
39.41 6.89 2.2864 -1 -1 6 2
39.58 6.96 2.2767 -1 1 6 2
39.84 1.37 2.2628 -2 4 4 2
40.72 4.26 2.2158 1 -3 4 2
40.89 6.79 2.2070 -3 3 4 2
41.18 14.43 2.1921 1 -5 2 2
41.20 4.61 2.1913 -3 -3 4 2
41.30 4.38 2.1859 -2 -2 6 2
41.46 7.88 2.1782 -2 2 6 2
41.52 5.95 2.1751 1 3 4 2
42.07 19.31 2.1480 1 5 2 2
42.24 31.59 2.1398 0 6 0 2
42.86 14.20 2.1100 2 -4 2 2
43.16 1.09 2.0962 -3 -1 6 2
43.43 4.02 2.0837 -1 -5 4 2
43.82 6.51 2.0660 -1 5 4 2
43.90 5.03 2.0626 2 4 2 2
44.20 3.08 2.0490 -1 -3 6 2
44.39 8.63 2.0408 -4 0 2 2
44.44 5.45 2.0388 0 -6 2 2
44.56 3.86 2.0332 -4 0 4 2
44.67 3.18 2.0286 2 0 4 2
44.68 3.85 2.0283 -1 3 6 2
44.77 1.66 2.0243 0 -2 6 2
44.87 7.50 2.0200 3 -1 2 2
44.92 7.43 2.0177 0 6 2 2
45.21 7.50 2.0058 3 1 2 2
46.45 4.79 1.9549 -4 2 2 2
46.65 5.89 1.9469 2 -2 4 2
46.70 8.23 1.9452 -4 2 4 2
46.96 6.57 1.9350 -4 -2 2 2
47.05 7.93 1.9315 -4 -2 4 2
47.30 8.30 1.9219 2 2 4 2
47.77 3.37 1.9040 -3 3 6 2
47.79 1.39 1.9032 -2 6 2 2
47.81 5.95 1.9026 -3 -3 6 2
48.10 3.91 1.8918 -3 5 2 2
48.30 6.17 1.8842 -2 -6 2 2
48.54 1.74 1.8754 -2 4 6 2
48.85 25.61 1.8644 4 0 0 2
48.93 2.65 1.8617 -3 -5 2 2
49.07 6.16 1.8566 3 -3 2 2
49.34 15.44 1.8471 -4 0 6 2
49.79 5.40 1.8313 1 -5 4 2
49.85 8.36 1.8293 1 -1 6 2
50.01 6.26 1.8239 3 3 2 2
50.08 5.86 1.8215 -3 5 4 2
50.15 9.94 1.8189 1 1 6 2
50.51 4.92 1.8069 -3 -5 4 2
50.93 6.00 1.7932 1 5 4 2
51.03 1.58 1.7898 -1 7 0 2
51.03 3.18 1.7898 0 -6 4 2
51.21 8.35 1.7837 0 -4 6 2
51.39 1.48 1.7780 -4 2 6 2
51.41 2.44 1.7774 -2 6 4 2
51.46 6.01 1.7758 -2 -6 4 2
51.86 2.67 1.7630 -1 7 2 2
51.90 5.58 1.7616 0 6 4 2
51.93 45.30 1.7609 -2 0 8 2
52.09 8.39 1.7558 0 4 6 2
52.72 7.86 1.7362 -4 4 2 2
52.84 4.64 1.7325 2 -4 4 2
53.02 4.06 1.7271 -4 4 4 2
53.64 7.72 1.7085 -4 -4 2 2
53.65 2.60 1.7082 -4 -4 4 2
53.71 2.82 1.7066 2 -6 2 2
54.02 2.60 1.6976 2 4 4 2
54.13 3.62 1.6943 -2 2 8 2
56.12 1.81 1.6390 -5 1 4 2
56.16 7.89 1.6379 -3 5 6 2
56.17 1.50 1.6375 3 -1 4 2
56.21 8.13 1.6363 -3 -5 6 2
56.34 1.52 1.6329 -5 -1 4 2
56.35 4.01 1.6327 -1 -7 4 2
56.53 1.81 1.6280 3 1 4 2
56.56 1.13 1.6272 -4 4 0 2
56.80 3.00 1.6208 -1 7 4 2
57.05 5.85 1.6144 3 -5 2 2
57.13 2.95 1.6123 4 0 2 2
57.41 1.97 1.6051 -5 1 2 2
57.42 9.68 1.6048 0 8 0 2
57.70 1.37 1.5978 -5 -1 2 2
57.85 1.45 1.5938 -3 -3 8 2
58.46 7.70 1.5788 3 5 2 2
59.64 7.39 1.5503 0 -2 8 2
59.72 4.24 1.5483 3 -3 4 2
59.77 6.64 1.5472 -4 2 8 2
59.80 3.45 1.5466 -5 3 4 2
59.80 6.72 1.5465 -4 -2 8 2
60.15 4.23 1.5383 2 -2 6 2
60.17 6.02 1.5380 0 2 8 2
60.44 3.80 1.5316 -5 -3 4 2
60.75 3.50 1.5247 3 3 4 2
60.83 3.70 1.5229 2 2 6 2
60.98 1.76 1.5195 0 -6 6 2
61.33 1.06 1.5116 1 -5 6 2
61.60 3.83 1.5055 1 -7 4 2
61.98 2.73 1.4973 -3 7 4 2
62.15 6.00 1.4936 0 6 6 2
62.31 5.93 1.4901 -4 6 2 2
62.36 1.21 1.4890 2 -6 4 2
62.47 6.98 1.4867 -5 3 6 2
62.50 2.20 1.4859 -3 -7 4 2
62.52 16.17 1.4856 -2 8 0 2
62.64 1.90 1.4830 -4 6 4 2
62.91 7.87 1.4774 -5 -3 6 2
62.99 1.53 1.4758 1 7 4 2
63.55 3.85 1.4639 -4 -6 2 2
63.61 13.67 1.4629 2 8 0 2
63.69 1.62 1.4611 3 7 0 2
63.94 1.10 1.4559 2 6 4 2
64.39 2.72 1.4470 -1 -7 6 2
64.59 1.09 1.4428 0 -8 4 2
65.22 2.16 1.4304 -5 1 8 2
65.27 1.99 1.4295 1 -1 8 2
65.31 2.27 1.4288 -5 -1 8 2
65.36 1.06 1.4278 4 4 2 2
65.40 7.17 1.4269 2 -4 6 2
65.59 2.02 1.4233 1 1 8 2
65.73 6.12 1.4207 -4 6 0 2
65.88 1.65 1.4178 -5 3 0 2
66.68 6.35 1.4026 2 4 6 2
66.69 2.58 1.4025 -4 6 6 2
66.87 2.13 1.3992 5 3 0 2
67.06 3.21 1.3957 1 9 0 2
67.31 5.58 1.3911 4 6 0 2
67.97 1.36 1.3791 3 -7 2 2
68.23 9.62 1.3746 -6 0 4 2
68.36 9.23 1.3722 4 0 4 2
68.39 1.15 1.3717 2 8 2 2
68.55 1.22 1.3689 1 -3 8 2
68.73 5.19 1.3657 -2 -6 8 2
69.28 1.32 1.3562 -4 0 10 2
69.33 1.28 1.3555 -6 0 6 2
69.43 3.42 1.3538 -2 6 8 2
69.57 3.36 1.3514 -5 5 6 2
69.76 1.13 1.3481 3 -1 6 2
69.76 1.99 1.3481 3 7 2 2
70.13 1.46 1.3418 3 1 6 2
70.26 3.25 1.3397 -5 -5 6 2
70.99 2.49 1.3277 -4 -2 10 2
71.04 1.24 1.3268 5 -1 2 2
71.08 8.21 1.3263 -1 -9 4 2
71.42 1.17 1.3207 5 1 2 2
71.59 5.53 1.3181 -1 9 4 2
71.69 2.64 1.3165 -2 8 6 2
71.89 2.05 1.3132 1 -7 6 2
72.15 1.81 1.3093 -6 2 2 2
72.79 1.57 1.2993 -6 -2 2 2
72.95 4.77 1.2968 -1 -3 10 2
73.39 2.68 1.2901 -2 -4 10 2
73.66 4.24 1.2861 -1 3 10 2
73.81 4.12 1.2839 0 10 0 2
73.91 1.06 1.2823 2 -6 6 2
73.95 3.96 1.2817 -6 0 8 2
74.08 1.41 1.2798 -2 4 10 2
74.13 1.35 1.2790 5 -3 2 2
74.16 4.25 1.2786 2 0 8 2
74.43 1.79 1.2746 -3 9 2 2
74.57 5.48 1.2726 2 -8 4 2
74.94 5.97 1.2672 -4 8 4 2
75.25 1.77 1.2628 5 3 2 2
75.98 1.77 1.2524 0 -2 10 2
75.99 7.80 1.2523 -4 -8 4 2
76.10 1.24 1.2508 -4 -8 2 2
76.12 4.56 1.2506 -4 -4 10 2
76.30 3.85 1.2480 -4 4 10 2
76.51 7.47 1.2451 2 8 4 2
76.64 1.39 1.2433 -6 -4 6 2
76.67 1.71 1.2429 6 0 0 2
76.97 1.61 1.2387 -6 4 2 2
77.28 1.84 1.2347 -3 -5 10 2
77.81 3.41 1.2275 -3 5 10 2
77.99 2.95 1.2251 -6 2 0 2
78.21 2.45 1.2223 -5 3 10 2
78.23 1.12 1.2219 -2 10 0 2
78.26 2.16 1.2216 -5 -3 10 2
78.73 2.49 1.2154 6 2 0 2
80.64 1.17 1.1915 -2 -8 8 2
80.68 2.00 1.1910 -1 5 10 2
80.72 1.34 1.1905 -2 -10 4 2
80.75 1.92 1.1900 0 -4 10 2
81.12 1.42 1.1856 3 5 6 2
81.51 2.36 1.1809 -2 8 8 2
81.69 1.32 1.1787 -2 -6 10 2
81.88 2.20 1.1764 -6 0 10 2
81.91 1.46 1.1762 0 4 10 2
82.15 1.09 1.1733 2 -10 2 2
82.35 1.14 1.1710 1 -1 10 2
82.65 4.63 1.1674 -6 4 0 2
82.69 2.18 1.1670 -2 6 10 2
82.70 1.30 1.1669 1 1 10 2
84.11 3.98 1.1509 6 4 0 2
84.14 1.21 1.1505 4 -8 2 2
84.36 1.33 1.1482 -6 -6 4 2
85.14 3.80 1.1396 0 -8 8 2
85.18 1.03 1.1392 1 -9 6 2
85.90 3.54 1.1314 -4 8 8 2
86.01 2.81 1.1303 -4 -8 8 2
86.11 1.46 1.1292 -5 -7 8 2
86.97 2.73 1.1202 0 8 8 2
87.74 1.07 1.1124 2 8 6 2
87.99 1.84 1.1099 4 -4 6 2
88.19 1.90 1.1079 2 -6 8 2
88.68 1.13 1.1031 -6 -4 10 2
88.95 1.01 1.1004 3 -7 6 2
89.12 1.54 1.0987 -3 -9 8 2
89.43 1.76 1.0957 -6 -6 8 2
89.64 1.32 1.0937 4 4 6 2
89.98 2.06 1.0905 3 -9 4 2
================================================================================
XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.