Pargasite
Welch M D, Knight K S
European Journal of Mineralogy 11 (1999) 321-331
A neutron powder diffraction study of cation ordering in
high-temperature synthetic amphiboles
_database_code_amcsd 0006771
CELL PARAMETERS: 9.8930 17.9370 5.2802 90.000 105.518 90.000
SPACE GROUP: C2/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 902.819
Density (g/cm3): 3.074
MAX. ABS. INTENSITY / VOLUME**2: 4.933524502
RIR: 0.523
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.86 33.54 8.9685 0 2 0 2
10.51 41.01 8.4175 1 1 0 4
17.51 6.57 5.0651 1 3 0 4
18.12 19.80 4.8963 -1 1 1 4
18.62 1.07 4.7662 2 0 0 2
19.80 18.37 4.4843 0 4 0 2
21.11 2.01 4.2088 2 2 0 4
21.88 1.64 4.0626 -2 0 1 2
22.45 7.27 3.9597 1 1 1 4
22.95 13.38 3.8756 -1 3 1 4
24.05 1.45 3.7007 -2 2 1 4
26.54 73.99 3.3587 1 3 1 4
26.55 1.76 3.3575 1 5 0 4
27.31 54.80 3.2660 2 4 0 4
28.53 67.78 3.1287 3 1 0 4
28.89 1.53 3.0902 2 0 1 2
29.31 3.22 3.0473 -3 1 1 4
30.49 10.26 2.9322 -1 5 1 4
30.60 59.42 2.9216 2 2 1 4
31.89 15.08 2.8058 3 3 0 4
32.60 40.58 2.7467 -3 3 1 4
33.33 100.00 2.6883 1 5 1 4
34.81 62.67 2.5775 0 6 1 4
35.27 70.16 2.5448 -2 0 2 2
35.28 12.12 2.5439 0 0 2 2
36.71 2.40 2.4481 -2 2 2 4
37.35 9.52 2.4079 -2 6 1 4
37.82 13.35 2.3786 3 5 0 4
38.43 46.54 2.3422 -3 5 1 4
38.51 22.02 2.3375 -4 2 1 4
39.32 16.39 2.2912 -3 1 2 4
39.37 22.37 2.2887 -1 7 1 4
40.20 3.48 2.2431 3 3 1 4
40.77 8.95 2.2132 -2 4 2 4
40.78 1.95 2.2126 0 4 2 4
41.68 1.34 2.1669 1 7 1 4
41.92 5.91 2.1549 -3 3 2 4
42.05 39.33 2.1486 2 6 1 4
42.51 7.64 2.1263 -1 5 2 4
44.61 18.02 2.0313 -4 0 2 2
44.64 24.36 2.0299 2 0 2 2
44.66 1.02 2.0288 2 8 0 4
45.20 15.81 2.0061 3 5 1 4
45.47 6.12 1.9946 3 7 0 4
46.00 1.17 1.9730 -3 7 1 4
46.55 6.73 1.9508 1 9 0 4
46.77 3.83 1.9423 -3 5 2 4
47.35 1.10 1.9200 4 2 1 4
47.99 11.65 1.8958 5 1 0 4
48.38 2.90 1.8815 -4 6 1 4
49.09 11.86 1.8558 -1 9 1 4
49.25 5.05 1.8503 -4 4 2 4
49.28 2.56 1.8493 2 4 2 4
49.58 6.56 1.8388 -1 7 2 4
50.23 4.88 1.8164 5 3 0 4
50.91 5.29 1.7937 0 10 0 2
51.92 4.03 1.7611 -5 1 2 4
51.96 2.90 1.7599 3 1 2 4
54.08 1.39 1.6958 3 3 2 4
54.22 3.37 1.6916 0 10 1 4
54.34 1.04 1.6884 3 9 0 4
54.55 7.15 1.6823 -2 8 2 4
54.57 8.77 1.6817 -1 3 3 4
54.80 3.02 1.6752 -3 9 1 4
55.11 9.92 1.6664 0 2 3 4
55.99 29.23 1.6423 4 6 1 4
56.34 8.08 1.6330 4 8 0 4
57.32 11.33 1.6073 1 11 0 4
58.06 5.24 1.5887 6 0 0 2
58.63 25.80 1.5747 -1 5 3 4
59.23 2.60 1.5600 -5 7 1 4
59.82 15.57 1.5461 -6 0 2 2
59.86 9.16 1.5451 4 0 2 2
60.53 1.49 1.5296 5 7 0 4
60.83 1.18 1.5227 4 2 2 4
61.31 34.02 1.5120 -2 6 3 4
61.44 2.51 1.5090 -3 9 2 4
61.46 5.83 1.5087 1 9 2 4
61.61 5.29 1.5054 -4 8 2 4
62.02 6.33 1.4963 5 5 1 4
62.10 14.16 1.4948 0 12 0 2
63.45 4.00 1.4661 -2 10 2 4
63.66 3.38 1.4617 -6 4 2 4
63.70 3.79 1.4608 4 4 2 4
63.77 1.52 1.4594 1 5 3 4
63.84 2.12 1.4581 2 2 3 4
64.20 6.47 1.4508 3 11 0 4
64.41 2.93 1.4465 -1 7 3 4
64.61 40.72 1.4426 -6 6 1 4
64.62 1.90 1.4424 -3 11 1 4
64.97 2.07 1.4355 -5 3 3 4
65.03 1.29 1.4341 0 12 1 4
65.09 2.72 1.4331 4 10 0 4
65.44 1.13 1.4263 2 12 0 4
66.84 1.44 1.3998 -5 9 1 4
67.06 1.97 1.3956 6 2 1 4
68.65 7.82 1.3671 -5 5 3 4
69.19 2.30 1.3579 7 1 0 4
69.24 14.07 1.3569 5 1 2 4
70.00 1.36 1.3441 2 10 2 4
70.72 5.52 1.3322 -3 11 2 4
70.73 9.00 1.3319 1 11 2 4
70.75 1.89 1.3317 -1 13 1 4
70.99 1.15 1.3278 7 3 0 4
70.99 1.07 1.3277 -7 3 2 4
71.04 3.86 1.3269 5 3 2 4
71.17 7.36 1.3248 2 6 3 4
71.27 2.41 1.3233 -5 9 2 4
71.72 1.78 1.3161 -1 9 3 4
71.79 11.03 1.3149 -7 5 1 4
72.33 1.93 1.3064 1 13 1 4
72.47 2.56 1.3042 -3 1 4 4
72.48 6.63 1.3040 -1 1 4 4
72.98 1.14 1.2963 6 8 0 4
73.28 1.94 1.2919 -3 9 3 4
73.47 12.93 1.2889 -2 12 2 4
73.48 5.82 1.2887 0 12 2 4
74.24 3.38 1.2775 -3 3 4 4
74.25 3.02 1.2773 6 6 1 4
74.25 3.04 1.2773 -1 3 4 4
74.55 1.76 1.2728 -6 8 2 4
74.58 4.70 1.2724 -4 0 4 2
74.59 1.35 1.2724 5 5 2 4
74.62 3.04 1.2719 0 0 4 2
77.08 1.04 1.2373 2 14 0 4
77.45 1.17 1.2323 0 10 3 4
78.05 1.09 1.2243 -8 2 1 4
78.07 1.15 1.2241 -4 4 4 4
78.10 1.66 1.2237 0 4 4 4
78.15 1.70 1.2230 4 2 3 4
78.24 3.06 1.2219 -2 14 1 4
78.91 1.01 1.2132 -6 10 1 4
79.75 1.02 1.2024 -7 7 2 4
80.01 9.41 1.1992 -5 11 2 4
80.63 3.01 1.1915 8 0 0 2
82.34 1.75 1.1711 -6 10 2 4
82.54 2.03 1.1688 -8 4 2 4
83.80 5.97 1.1544 2 0 4 2
84.45 1.04 1.1471 1 15 1 4
85.01 1.03 1.1410 4 6 3 4
85.05 2.75 1.1405 2 10 3 4
86.57 3.40 1.1244 7 9 0 4
87.04 1.09 1.1196 3 9 3 4
87.13 3.87 1.1186 -6 4 4 4
87.70 1.53 1.1128 -7 7 3 4
88.30 2.44 1.1068 5 3 3 4
89.52 1.73 1.0948 0 16 1 4
89.69 1.41 1.0932 -1 9 4 4
================================================================================
XPOW Copyright 1993 Bob Downs, Ranjini Swaminathan and Kurt Bartelmehs
For reference, see Downs et al. (1993) American Mineralogist 78, 1104-1107.