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=350 MPa, T=500 C
_database_code_amcsd 0003590
CELL PARAMETERS: 8.8490 5.6670 10.1530 90.000 115.499 90.000
SPACE GROUP: P2_1/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 459.551
Density (g/cm3): 3.478
MAX. ABS. INTENSITY / VOLUME**2: 9.506886691
RIR: 0.890
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.65 4.87 9.1640 0 0 1 2
11.08 3.96 7.9870 1 0 0 2
11.13 6.55 7.9505 -1 0 1 2
17.69 27.09 5.0138 -1 0 2 2
19.20 1.37 4.6218 1 1 0 4
19.23 4.15 4.6147 -1 1 1 4
22.26 14.91 3.9935 2 0 0 2
22.36 21.62 3.9752 -2 0 2 2
23.62 4.62 3.7666 1 1 1 4
23.69 2.27 3.7551 -1 1 2 4
25.54 30.79 3.4874 -2 1 1 4
26.26 11.57 3.3936 1 0 2 2
27.95 9.40 3.1922 2 0 1 2
29.24 4.51 3.0547 0 0 3 2
30.67 1.64 2.9148 -3 0 1 2
30.71 1.85 2.9115 1 1 2 4
30.73 13.29 2.9095 -3 0 2 2
30.80 100.00 2.9026 -1 1 3 4
31.58 37.44 2.8335 0 2 0 2
32.18 7.16 2.7813 2 1 1 4
32.33 2.69 2.7689 -2 1 3 4
33.32 28.76 2.6889 0 1 3 4
33.56 22.24 2.6704 1 2 0 4
33.66 16.79 2.6623 3 0 0 2
34.61 39.61 2.5920 -3 1 1 4
34.66 1.54 2.5883 -3 1 2 4
35.62 16.21 2.5207 2 0 2 2
35.82 2.31 2.5067 -1 0 4 2
36.37 1.11 2.4701 1 2 1 4
36.42 8.91 2.4668 -1 2 2 4
37.31 25.09 2.4099 0 2 2 4
37.46 30.65 2.4006 -3 1 3 4
37.70 3.12 2.3861 -2 2 1 4
39.04 10.07 2.3073 -2 2 2 4
39.11 1.78 2.3031 2 1 2 4
39.19 6.58 2.2986 1 1 3 4
39.30 4.91 2.2926 -2 1 4 4
39.30 1.96 2.2924 -1 1 4 4
39.32 1.90 2.2915 -3 0 4 2
41.59 6.39 2.1713 -1 2 3 4
41.96 15.63 2.1533 -4 0 1 2
42.07 2.43 2.1476 -4 0 3 2
42.56 1.11 2.1240 0 1 4 4
42.67 17.54 2.1191 2 2 1 4
42.78 16.29 2.1136 -2 2 3 4
43.57 14.49 2.0774 0 2 3 4
44.42 6.52 2.0393 2 0 3 2
44.60 1.90 2.0317 -3 2 1 4
45.42 5.91 1.9968 4 0 0 2
45.78 1.23 1.9820 -1 0 5 2
46.51 1.06 1.9524 -3 0 5 2
47.38 4.14 1.9189 2 1 3 4
48.33 8.33 1.8833 2 2 2 4
48.48 10.80 1.8775 -2 2 4 4
48.49 6.26 1.8775 -1 2 4 4
48.55 4.00 1.8752 1 1 4 4
48.67 3.49 1.8709 -1 1 5 4
49.10 2.67 1.8556 3 1 2 4
49.59 1.68 1.8383 1 3 0 4
51.09 1.14 1.7879 3 2 1 4
51.28 2.24 1.7815 0 2 4 4
51.87 4.68 1.7626 -5 0 2 2
52.47 2.07 1.7439 0 1 5 4
52.48 2.04 1.7437 -4 2 2 4
52.69 3.84 1.7373 -2 3 1 4
53.80 4.72 1.7041 -4 1 5 4
54.29 3.03 1.6898 -2 0 6 2
54.52 1.80 1.6830 -5 1 2 4
54.58 2.08 1.6813 -5 1 3 4
54.94 2.99 1.6713 -3 0 6 2
55.75 9.57 1.6489 -1 3 3 4
56.24 10.22 1.6357 -1 0 6 2
56.37 2.50 1.6322 4 2 0 4
56.43 10.13 1.6306 -5 1 1 4
56.56 16.08 1.6272 -4 2 4 4
56.57 6.31 1.6269 1 2 4 4
56.62 1.12 1.6257 2 3 1 4
56.62 2.22 1.6255 2 1 4 4
56.86 1.22 1.6193 -2 1 6 4
57.06 4.54 1.6141 3 2 2 4
57.35 4.21 1.6066 0 3 3 4
58.14 11.65 1.5868 -4 0 6 2
58.20 9.12 1.5852 -3 3 1 4
58.23 1.04 1.5844 -3 3 2 4
58.63 5.07 1.5746 1 1 5 4
60.16 4.36 1.5382 -3 3 3 4
60.19 2.50 1.5375 5 1 0 4
60.24 6.09 1.5363 4 1 2 4
60.63 1.23 1.5273 0 0 6 2
61.34 1.81 1.5114 -4 2 5 4
63.03 1.08 1.4748 -6 0 3 2
63.78 1.01 1.4594 -5 2 1 4
63.94 9.46 1.4560 -5 2 4 4
63.95 3.83 1.4557 2 2 4 4
64.00 3.78 1.4547 -6 0 4 2
64.02 1.72 1.4544 3 0 4 2
64.17 3.85 1.4513 -2 2 6 4
64.76 6.88 1.4395 -3 2 6 4
65.93 20.06 1.4167 0 4 0 2
66.71 1.26 1.4021 -3 1 7 4
66.75 3.64 1.4014 2 1 5 4
67.00 1.05 1.3967 -2 1 7 4
67.29 2.96 1.3915 5 2 0 4
67.33 13.27 1.3906 4 2 2 4
68.54 1.59 1.3691 1 3 4 4
69.98 3.35 1.3445 0 2 6 4
70.26 1.90 1.3397 5 0 2 2
72.21 1.15 1.3082 -6 2 3 4
72.78 1.10 1.2994 -5 2 6 4
72.87 1.62 1.2981 -4 3 5 4
73.00 3.93 1.2960 -6 2 2 4
73.12 3.40 1.2941 -6 2 4 4
73.48 1.00 1.2887 -5 3 2 4
74.37 1.66 1.2756 0 1 7 4
74.41 1.51 1.2749 3 0 5 2
74.49 1.47 1.2738 -3 4 2 4
74.81 2.57 1.2691 -3 0 8 2
75.01 3.43 1.2662 4 2 3 4
75.12 5.08 1.2647 -5 3 1 4
75.42 1.32 1.2603 4 0 4 2
75.47 1.20 1.2597 -6 2 1 4
75.71 3.23 1.2562 -6 2 5 4
75.92 1.03 1.2533 -2 0 8 2
76.11 2.35 1.2507 3 4 0 4
76.12 1.07 1.2505 1 2 6 4
77.03 2.28 1.2380 1 3 5 4
77.25 3.40 1.2350 2 4 2 4
78.40 1.14 1.2198 5 3 0 4
78.45 2.11 1.2192 4 3 2 4
79.29 2.60 1.2083 -6 1 7 4
79.92 1.21 1.2003 -6 2 6 4
80.89 1.27 1.1884 0 2 7 4
81.29 1.70 1.1836 -4 4 1 4
83.70 1.11 1.1555 4 4 0 4
84.34 1.73 1.1484 2 3 5 4
84.58 1.31 1.1457 -6 0 8 2
86.72 1.19 1.1228 0 1 8 4
87.13 1.70 1.1186 7 1 0 4
87.62 1.88 1.1136 -7 1 7 4
87.73 1.71 1.1125 -5 2 8 4
87.75 1.39 1.1123 -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.