Eckermannite
Oberti R, Boiocchi M, Hawthorne F C, Ball N A, Harlow G E
American Mineralogist 100 (2015) 909-914
Eckermannite revised: The new holotype from the Jade Mine Tract, Myanmar-crystal
structure, mineral data, and hints on the reasons for the rarity of eckermannite
Note: Sample AMNH H108401
Locality: Jade Mine Tract, Kachin Province, Myanmar
_database_code_amcsd 0020422
CELL PARAMETERS: 9.8087 17.8448 5.2905 90.000 103.660 90.000
SPACE GROUP: C2/m
X-RAY WAVELENGTH: 1.541838
Cell Volume: 899.826
Density (g/cm3): 3.032
MAX. ABS. INTENSITY / VOLUME**2: 5.623902497
RIR: 0.604
RIR based on corundum from Acta Crystallographica A38 (1982) 733-739
2-THETA INTENSITY D-SPACING H K L Multiplicity
9.91 5.52 8.9224 0 2 0 2
10.52 57.84 8.4072 1 1 0 4
17.25 2.22 5.1409 0 0 1 2
18.26 15.30 4.8595 -1 1 1 4
18.62 5.77 4.7656 2 0 0 2
19.90 31.30 4.4612 0 4 0 2
19.93 5.15 4.4544 0 2 1 4
22.07 10.67 4.0283 1 1 1 4
23.10 18.36 3.8499 -1 3 1 4
24.40 2.02 3.6478 -2 2 1 4
26.25 68.06 3.3952 1 3 1 4
26.45 1.76 3.3694 0 4 1 4
27.38 39.11 3.2569 2 4 0 4
28.54 63.18 3.1279 3 1 0 4
29.78 5.06 2.9997 -3 1 1 4
30.14 36.16 2.9655 2 2 1 4
30.67 12.69 2.9146 -1 5 1 4
31.94 20.98 2.8024 3 3 0 4
33.07 25.48 2.7091 -3 3 1 4
33.16 100.00 2.7018 1 5 1 4
34.85 34.15 2.5744 0 6 1 4
34.91 8.31 2.5704 0 0 2 2
35.55 64.62 2.5252 -2 0 2 2
36.48 1.12 2.4627 1 7 0 4
37.70 1.80 2.3861 -2 6 1 4
37.91 6.39 2.3730 3 5 0 4
38.89 28.65 2.3156 -3 5 1 4
39.05 14.56 2.3065 -4 2 1 4
39.60 17.71 2.2758 -1 7 1 4
39.71 1.09 2.2699 3 3 1 4
39.88 19.04 2.2603 -3 1 2 4
41.07 7.35 2.1976 -2 4 2 4
41.62 5.70 2.1700 1 7 1 4
41.81 33.74 2.1607 2 6 1 4
42.48 8.76 2.1279 -3 3 2 4
42.56 1.92 2.1243 -1 5 2 4
43.79 18.68 2.0675 2 0 2 2
44.80 8.78 2.0231 3 5 1 4
45.38 7.81 1.9986 -4 0 2 2
45.63 2.20 1.9883 3 7 0 4
46.31 1.59 1.9606 1 5 2 4
46.47 1.04 1.9542 -3 7 1 4
46.77 2.94 1.9423 4 2 1 4
46.80 3.41 1.9412 1 9 0 4
47.33 3.24 1.9206 -3 5 2 4
48.00 8.81 1.8955 5 1 0 4
48.53 3.32 1.8759 2 4 2 4
48.92 2.87 1.8619 -4 6 1 4
49.38 8.65 1.8456 -1 9 1 4
50.01 3.87 1.8239 -4 4 2 4
50.26 2.30 1.8153 5 3 0 4
51.09 4.53 1.7878 1 9 1 4
51.19 4.66 1.7845 0 10 0 2
52.21 1.04 1.7520 -1 1 3 4
52.85 4.93 1.7322 -5 1 2 4
53.04 1.21 1.7264 1 7 2 4
54.34 6.83 1.6882 -1 3 3 4
54.46 1.54 1.6847 0 8 2 4
54.53 5.36 1.6829 0 2 3 4
54.92 6.14 1.6718 -2 8 2 4
55.30 2.26 1.6612 -3 9 1 4
55.57 27.64 1.6539 4 6 1 4
56.51 7.78 1.6284 4 8 0 4
57.64 9.59 1.5993 1 11 0 4
58.06 3.78 1.5885 6 0 0 2
58.45 21.19 1.5789 -1 5 3 4
58.73 4.43 1.5721 4 0 2 2
59.57 1.88 1.5520 2 10 1 4
60.89 11.00 1.5215 -6 0 2 2
61.20 3.67 1.5144 1 9 2 4
61.49 4.81 1.5080 5 5 1 4
61.49 20.51 1.5079 -2 6 3 4
62.39 2.23 1.4885 -4 8 2 4
62.45 10.40 1.4871 0 12 0 2
62.56 1.66 1.4848 0 6 3 4
62.65 4.23 1.4828 4 4 2 4
62.66 2.20 1.4825 2 2 3 4
63.88 2.70 1.4573 -2 10 2 4
64.30 3.23 1.4487 -1 7 3 4
64.50 4.40 1.4448 3 11 0 4
64.73 4.12 1.4401 -6 4 2 4
65.27 28.33 1.4295 -6 6 1 4
65.28 1.55 1.4294 -4 10 1 4
65.33 1.89 1.4283 4 10 0 4
66.02 1.85 1.4150 -5 3 3 4
68.00 11.98 1.3787 5 1 2 4
69.20 2.35 1.3577 7 1 0 4
69.59 1.42 1.3509 2 10 2 4
69.72 4.73 1.3488 -5 5 3 4
69.83 4.43 1.3469 5 3 2 4
70.14 5.03 1.3418 2 6 3 4
70.58 6.95 1.3344 1 11 2 4
71.02 1.45 1.3273 7 3 0 4
71.35 1.03 1.3218 -2 0 4 2
71.37 2.63 1.3216 -3 11 2 4
71.69 2.15 1.3165 -1 9 3 4
71.98 5.80 1.3119 -1 1 4 4
72.23 1.65 1.3080 -5 9 2 4
72.50 7.82 1.3038 -7 5 1 4
73.14 1.31 1.2940 6 8 0 4
73.59 6.02 1.2872 0 12 2 4
73.69 2.63 1.2856 6 6 1 4
73.72 4.15 1.2852 0 0 4 2
73.77 3.06 1.2845 -1 3 4 4
73.97 14.62 1.2814 -2 12 2 4
75.26 5.13 1.2626 -4 0 4 2
75.34 1.19 1.2616 4 12 0 4
77.79 1.18 1.2278 6 0 2 2
77.81 1.01 1.2276 -7 7 1 4
78.81 1.07 1.2144 -2 14 1 4
80.64 2.26 1.1914 8 0 0 2
81.03 7.65 1.1867 -5 11 2 4
82.16 4.01 1.1732 2 0 4 2
83.45 1.46 1.1583 4 6 3 4
83.50 1.42 1.1578 -6 10 2 4
83.90 1.42 1.1533 -8 4 2 4
86.41 1.11 1.1261 5 3 3 4
86.76 1.90 1.1224 7 9 0 4
88.59 1.45 1.1039 -6 4 4 4
88.77 1.84 1.1021 3 1 4 4
89.32 1.08 1.0967 -7 7 3 4
89.83 1.07 1.0918 5 5 3 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.