Piemontite
Nagashima M, Akasaka M
American Mineralogist 89 (2004) 1119-1129
An X-ray Rietveld study of piemontite on the join
Ca2Al3Si3O12(OH) - Ca2Mn3+3Si3O12(OH) formed by hydrothermal synthesis
Sample: q = 1.0, p = 1.00, Synthesis at P=200 MPa, T=500 C
_database_code_amcsd 0003589
CELL PARAMETERS: 8.8531 5.6741 10.1613 90.000 115.519 90.000
SPACE GROUP: P2_1/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 460.639
Density (g/cm3): 3.470
MAX. ABS. INTENSITY / VOLUME**2: 9.610157525
RIR: 0.902
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.65 1.87 9.1700 0 0 1 2
11.07 3.25 7.9894 1 0 0 2
11.12 3.56 7.9561 -1 0 1 2
17.67 27.28 5.0180 -1 0 2 2
19.19 1.37 4.6261 1 1 0 4
19.21 4.44 4.6196 -1 1 1 4
22.25 14.62 3.9947 2 0 0 2
22.35 17.40 3.9780 -2 0 2 2
23.60 4.88 3.7694 1 1 1 4
23.67 2.54 3.7589 -1 1 2 4
25.52 29.91 3.4901 -2 1 1 4
26.25 11.16 3.3951 1 0 2 2
27.94 9.18 3.1931 2 0 1 2
29.22 3.38 3.0567 0 0 3 2
30.66 1.87 2.9160 -3 0 1 2
30.69 2.43 2.9134 1 1 2 4
30.71 11.61 2.9111 -3 0 2 2
30.78 100.00 2.9053 -1 1 3 4
31.53 37.39 2.8370 0 2 0 2
32.17 7.49 2.7827 2 1 1 4
32.30 3.33 2.7715 -2 1 3 4
33.29 27.05 2.6910 0 1 3 4
33.52 21.34 2.6735 1 2 0 4
33.65 17.99 2.6631 3 0 0 2
33.80 1.08 2.6520 -3 0 3 2
34.58 37.22 2.5935 -3 1 1 4
34.63 1.81 2.5901 -3 1 2 4
35.60 16.21 2.5215 2 0 2 2
35.79 2.06 2.5086 -1 0 4 2
36.38 8.03 2.4697 -1 2 2 4
37.27 26.72 2.4125 0 2 2 4
37.43 31.60 2.4026 -3 1 3 4
37.66 3.70 2.3886 -2 2 1 4
38.99 11.34 2.3098 -2 2 2 4
39.09 1.92 2.3043 2 1 2 4
39.17 6.43 2.3000 1 1 3 4
39.26 5.22 2.2947 -2 1 4 4
39.27 1.93 2.2944 -1 1 4 4
39.29 1.59 2.2933 -3 0 4 2
41.55 5.08 2.1736 -1 2 3 4
41.94 16.26 2.1541 -4 0 1 2
42.05 1.84 2.1489 -4 0 3 2
42.53 1.32 2.1256 0 1 4 4
42.63 15.73 2.1209 2 2 1 4
42.74 17.60 2.1158 -2 2 3 4
43.52 13.42 2.0794 0 2 3 4
44.40 6.23 2.0401 2 0 3 2
44.56 2.42 2.0334 -3 2 1 4
45.41 5.30 1.9974 4 0 0 2
47.35 4.55 1.9198 2 1 3 4
48.29 8.72 1.8847 2 2 2 4
48.43 10.54 1.8795 -2 2 4 4
48.44 5.86 1.8793 -1 2 4 4
48.52 3.09 1.8763 1 1 4 4
48.63 3.66 1.8724 -1 1 5 4
49.08 2.47 1.8563 3 1 2 4
49.53 1.85 1.8405 1 3 0 4
51.05 1.29 1.7891 3 2 1 4
51.23 2.04 1.7831 0 2 4 4
51.85 4.44 1.7633 -5 0 2 2
52.43 1.76 1.7451 0 1 5 4
52.43 1.79 1.7450 -4 2 2 4
52.62 3.94 1.7392 -2 3 1 4
53.75 4.35 1.7054 -4 1 5 4
54.24 2.97 1.6911 -2 0 6 2
54.49 1.62 1.6839 -5 1 2 4
54.55 2.02 1.6823 -5 1 3 4
54.89 2.88 1.6727 -3 0 6 2
55.68 9.41 1.6508 -1 3 3 4
56.08 1.05 1.6401 1 0 5 2
56.19 11.28 1.6369 -1 0 6 2
56.33 2.78 1.6332 4 2 0 4
56.41 9.89 1.6312 -5 1 1 4
56.50 14.49 1.6286 -4 2 4 4
56.52 7.30 1.6282 1 2 4 4
56.55 1.18 1.6273 2 3 1 4
56.57 1.36 1.6270 -5 1 4 4
56.59 1.85 1.6263 2 1 4 4
57.02 4.69 1.6151 3 2 2 4
57.28 3.67 1.6084 0 3 3 4
58.08 12.28 1.5880 -4 0 6 2
58.13 8.96 1.5868 -3 3 1 4
58.17 1.03 1.5860 -3 3 2 4
58.59 5.84 1.5756 1 1 5 4
60.08 4.34 1.5399 -3 3 3 4
60.16 2.23 1.5381 5 1 0 4
60.21 6.03 1.5369 4 1 2 4
60.59 1.01 1.5283 0 0 6 2
61.28 2.15 1.5127 -4 2 5 4
63.58 1.06 1.4634 -5 0 6 2
63.73 1.08 1.4602 -5 2 1 4
63.88 9.76 1.4572 -5 2 4 4
63.91 3.59 1.4567 2 2 4 4
63.96 3.69 1.4555 -6 0 4 2
63.99 1.51 1.4549 3 0 4 2
64.11 4.12 1.4526 -2 2 6 4
64.69 5.83 1.4409 -3 2 6 4
65.84 19.76 1.4185 0 4 0 2
65.98 1.02 1.4159 4 0 3 2
66.65 1.11 1.4033 -3 1 7 4
66.71 3.94 1.4022 2 1 5 4
67.25 2.79 1.3922 5 2 0 4
67.29 13.41 1.3914 4 2 2 4
67.60 1.18 1.3857 -4 2 6 4
68.47 1.25 1.3703 1 3 4 4
69.91 3.03 1.3455 0 2 6 4
70.24 1.73 1.3401 5 0 2 2
72.71 1.10 1.3006 -5 2 6 4
72.78 1.46 1.2994 -4 3 5 4
72.95 3.66 1.2968 -6 2 2 4
73.07 3.35 1.2950 -6 2 4 4
74.31 1.89 1.2764 0 1 7 4
74.38 1.48 1.2755 3 0 5 2
74.39 1.31 1.2752 -3 4 2 4
74.74 2.58 1.2702 -3 0 8 2
74.97 2.99 1.2669 4 2 3 4
75.05 5.09 1.2656 -5 3 1 4
75.39 1.44 1.2608 4 0 4 2
75.42 1.33 1.2603 -6 2 1 4
75.64 3.05 1.2572 -6 2 5 4
75.85 1.14 1.2543 -2 0 8 2
76.01 2.46 1.2520 3 4 0 4
76.95 2.68 1.2391 1 3 5 4
77.15 3.47 1.2363 2 4 2 4
78.34 1.06 1.2206 5 3 0 4
78.38 2.01 1.2200 4 3 2 4
79.21 2.58 1.2093 -6 1 7 4
79.84 1.13 1.2013 -6 2 6 4
80.81 1.02 1.1893 0 2 7 4
81.19 1.75 1.1847 -4 4 1 4
84.26 1.98 1.1493 2 3 5 4
84.49 1.22 1.1466 -6 0 8 2
87.10 1.47 1.1189 7 1 0 4
87.54 1.74 1.1144 -7 1 7 4
87.63 1.20 1.1135 -5 2 8 4
87.66 1.49 1.1132 -1 2 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.