Ferrotschermakite
Hawthorne F C, Grundy H D
Mineralogical Magazine 39 (1973) 36-48
The crystal chemistry of the amphiboles. I: Refinement of the crystal structure
of ferrotschermakite
Locality: Frood Mine, Sudbury, Ontario, Canada
_database_code_amcsd 0014457
CELL PARAMETERS: 9.8179 18.1060 5.3314 90.000 105.000 90.000
SPACE GROUP: C2/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 915.432
Density (g/cm3): 3.239
MAX. ABS. INTENSITY / VOLUME**2: 12.57203614
RIR: 1.264
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.77 11.97 9.0530 0 2 0 2
10.53 100.00 8.4008 1 1 0 4
17.42 6.72 5.0917 1 3 0 4
18.02 11.82 4.9220 -1 1 1 4
18.71 1.54 4.7417 2 0 0 2
19.61 11.22 4.5265 0 4 0 2
22.22 1.71 4.0007 1 1 1 4
22.79 9.79 3.9019 -1 3 1 4
26.21 1.64 3.3998 0 4 1 4
26.27 19.07 3.3927 1 3 1 4
27.24 15.64 3.2741 2 4 0 4
28.67 46.61 3.1140 3 1 0 4
29.49 1.17 3.0285 -3 1 1 4
30.39 20.90 2.9414 2 2 1 4
31.96 4.87 2.8003 3 3 0 4
32.71 9.98 2.7376 -3 3 1 4
32.99 68.15 2.7148 1 5 1 4
34.00 1.69 2.6370 -1 1 2 4
34.45 31.51 2.6036 0 6 1 4
34.84 1.06 2.5749 0 0 2 2
35.09 37.33 2.5573 -2 0 2 2
37.78 4.10 2.3814 3 5 0 4
37.95 1.44 2.3708 4 0 0 2
38.43 27.25 2.3425 -3 5 1 4
38.78 8.44 2.3223 -4 2 1 4
38.86 1.99 2.3175 1 1 2 4
39.02 3.16 2.3082 -1 7 1 4
39.31 14.23 2.2920 -3 1 2 4
40.52 3.47 2.2265 -2 4 2 4
41.26 2.52 2.1879 1 7 1 4
41.70 19.78 2.1658 2 6 1 4
41.86 1.45 2.1579 -3 3 2 4
42.09 2.67 2.1466 -1 5 2 4
44.16 11.64 2.0511 2 0 2 2
44.76 8.42 2.0247 -4 0 2 2
44.94 13.37 2.0169 3 5 1 4
45.30 3.17 2.0018 3 7 0 4
45.86 1.64 1.9785 -3 7 1 4
46.63 1.52 1.9478 -3 5 2 4
48.24 1.54 1.8864 5 1 0 4
48.43 2.51 1.8797 -4 6 1 4
48.63 6.04 1.8722 -1 9 1 4
48.74 1.27 1.8682 2 4 2 4
49.08 2.51 1.8562 -1 7 2 4
49.31 1.44 1.8482 -4 4 2 4
50.40 3.68 1.8106 0 10 0 2
50.44 2.58 1.8094 5 3 0 4
52.22 4.01 1.7518 -5 1 2 4
53.34 1.57 1.7176 -5 5 1 4
53.66 1.29 1.7081 0 10 1 4
53.94 1.87 1.6997 -1 3 3 4
54.11 2.34 1.6948 -2 8 2 4
54.23 1.22 1.6915 2 10 0 4
54.40 3.91 1.6865 0 2 3 4
55.75 15.32 1.6488 4 6 1 4
56.19 2.94 1.6371 4 8 0 4
56.77 8.66 1.6218 1 11 0 4
57.96 14.70 1.5912 -1 5 3 4
58.39 3.10 1.5806 6 0 0 2
59.44 4.50 1.5551 4 0 2 2
59.97 1.21 1.5425 -3 5 3 4
60.26 7.32 1.5359 -6 0 2 2
60.74 14.01 1.5249 -2 6 3 4
60.75 1.53 1.5246 1 9 2 4
61.45 1.69 1.5090 -4 8 2 4
61.45 5.33 1.5088 0 12 0 2
61.89 3.89 1.4992 5 5 1 4
62.89 3.63 1.4777 -2 10 2 4
62.94 1.46 1.4768 1 5 3 4
63.23 1.34 1.4707 4 4 2 4
63.67 1.41 1.4615 -1 7 3 4
63.75 3.85 1.4599 3 11 0 4
64.02 1.50 1.4544 -6 4 2 4
64.79 2.02 1.4390 4 10 0 4
64.88 16.41 1.4371 -6 6 1 4
68.62 3.98 1.3677 -5 5 3 4
68.86 6.58 1.3635 5 1 2 4
69.59 1.81 1.3510 7 1 0 4
69.90 5.86 1.3457 1 11 2 4
70.21 3.23 1.3406 -3 11 2 4
70.27 3.97 1.3396 2 6 3 4
70.63 1.12 1.3336 5 3 2 4
71.55 3.95 1.3187 -1 1 4 4
72.24 5.57 1.3079 -7 5 1 4
72.63 1.26 1.3018 0 12 2 4
72.77 6.32 1.2995 -2 12 2 4
73.30 1.06 1.2915 -1 3 4 4
73.57 1.70 1.2874 0 0 4 2
73.59 1.11 1.2871 -3 3 4 4
74.16 2.96 1.2786 -4 0 4 2
79.77 5.70 1.2022 -5 11 2 4
81.13 1.36 1.1854 8 0 0 2
82.33 1.03 1.1712 -6 10 2 4
82.58 3.02 1.1683 2 0 4 2
87.05 1.09 1.1194 -6 4 4 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.