Schorl
Grice J D, Ercit T S
Neues Jahrbuch fur Mineralogie, Abhandlungen 165 (1993) 245-266
Ordering of Fe and Mg in the tourmaline crystal structure: The correct formula
Sample: Schorl 2672
Locality: Silver Crater, Hastings Co., Ontario, Canada
_database_code_amcsd 0018784
CELL PARAMETERS: 16.0730 16.0730 7.3060 90.000 90.000 120.000
SPACE GROUP: R3m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 1634.573
Density (g/cm3): 3.294
MAX. ABS. INTENSITY / VOLUME**2: 11.19512987
RIR: 1.107
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
13.69 60.58 6.4691 1 0 1 3
17.60 20.88 5.0393 0 2 1 3
19.13 23.36 4.6399 3 0 0 3
20.81 45.28 4.2694 2 1 1 6
22.12 56.44 4.0182 2 2 0 6
25.20 47.97 3.5334 0 1 2 3
26.11 6.08 3.4134 1 3 1 6
28.41 2.89 3.1417 4 0 1 3
29.40 6.35 3.0375 4 1 0 6
29.77 54.45 3.0006 1 2 2 6
30.55 7.09 2.9261 3 2 1 6
33.78 5.57 2.6534 3 1 2 6
34.48 100.00 2.6015 0 5 1 3
35.63 2.68 2.5196 0 4 2 3
36.30 4.33 2.4750 2 4 1 6
36.91 5.93 2.4353 0 0 3 1
37.40 16.75 2.4042 2 3 2 6
38.04 12.84 2.3654 5 1 1 6
38.82 4.41 2.3199 6 0 0 3
40.47 1.72 2.2289 5 2 0 6
40.75 17.50 2.2142 5 0 2 3
41.34 5.84 2.1838 4 3 1 6
41.89 5.67 2.1564 0 3 3 3
41.89 7.40 2.1564 3 0 3 3
42.34 4.34 2.1347 4 2 2 6
43.45 9.20 2.0827 2 2 3 6
43.88 43.33 2.0631 1 5 2 6
44.44 7.31 2.0384 1 6 1 6
45.13 3.42 2.0091 4 4 0 6
46.85 22.53 1.9393 3 4 2 6
47.38 3.10 1.9187 3 5 1 6
47.87 7.44 1.9001 1 4 3 6
48.80 5.44 1.8663 6 2 1 6
49.67 1.52 1.8354 6 1 2 6
50.66 3.07 1.8020 3 3 3 6
51.74 2.33 1.7667 0 2 4 3
52.39 1.76 1.7465 5 3 2 6
52.88 1.31 1.7315 5 4 1 6
53.71 2.55 1.7067 2 6 2 6
54.64 14.20 1.6798 0 6 3 3
54.64 6.03 1.6798 6 0 3 3
55.48 11.28 1.6563 2 7 1 6
56.94 4.21 1.6173 4 0 4 3
57.32 15.61 1.6073 5 5 0 6
57.54 3.97 1.6018 4 5 2 6
58.00 1.65 1.5901 8 1 1 6
58.19 1.74 1.5855 3 2 4 6
59.24 4.12 1.5599 4 6 1 6
59.80 4.47 1.5466 9 0 0 3
60.01 4.67 1.5417 7 2 2 6
60.46 1.93 1.5313 7 3 1 6
60.64 14.33 1.5272 0 5 4 3
61.01 3.55 1.5188 8 2 0 6
61.84 3.96 1.5003 2 4 4 6
62.41 1.35 1.4879 1 8 2 6
63.03 14.26 1.4748 5 1 4 6
63.26 2.70 1.4700 1 7 3 6
63.60 4.51 1.4630 6 4 2 6
64.08 4.27 1.4532 0 1 5 3
64.57 5.08 1.4434 7 4 0 6
65.20 7.61 1.4309 6 5 1 6
65.37 8.84 1.4275 4 3 4 6
65.60 1.75 1.4231 3 6 3 6
65.60 3.28 1.4231 6 3 3 6
67.50 1.28 1.3876 3 8 1 6
68.64 8.29 1.3674 10 0 1 3
69.35 3.62 1.3551 5 6 2 6
69.81 1.79 1.3473 0 4 5 3
69.93 1.01 1.3452 7 0 4 3
69.93 2.65 1.3452 3 5 4 6
70.15 4.56 1.3415 5 5 3 6
70.28 3.32 1.3394 6 6 0 6
70.93 2.40 1.3287 2 3 5 6
71.39 7.89 1.3212 10 1 0 6
71.59 2.10 1.3181 8 3 2 6
72.00 1.35 1.3116 5 7 1 6
72.38 1.34 1.3056 9 0 3 3
72.70 1.44 1.3007 0 10 2 3
73.10 1.24 1.2945 8 4 1 6
73.15 9.91 1.2938 5 0 5 3
73.48 2.47 1.2887 2 8 3 6
73.61 3.36 1.2869 9 3 0 6
74.37 2.10 1.2756 5 4 4 6
76.38 3.01 1.2469 0 11 1 3
76.76 1.30 1.2417 7 4 3 6
77.07 1.51 1.2375 4 8 2 6
77.47 1.19 1.2321 2 10 1 6
77.51 1.44 1.2315 3 4 5 6
78.56 1.87 1.2177 0 0 6 1
79.66 1.31 1.2036 6 1 5 6
80.69 3.37 1.1908 11 1 1 6
81.77 1.29 1.1778 3 0 6 3
83.19 5.11 1.1613 10 1 3 6
84.55 1.28 1.1460 1 11 2 6
85.31 1.73 1.1378 9 3 3 6
88.13 1.04 1.1085 3 3 6 6
88.27 1.86 1.1071 10 0 4 3
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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.