Institute of Experimental Mineralogy
Russian Academy of Sciences
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142432, Chernogolovka, Moscow district
A.V. Chichagov +7(496)52-22320
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*** W W W - X R A Y P O L ***
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STROMEYERITE
1, f-stromeyerite
AgCuS
Orthorhombic C mcm Z = 4
Cmcm
6 .4 .1988
Ref.Str.:
Fruch A.J. (1955)
* Z. Kristallogr., 106, 299-307
Ref.Composition & Lattice:
Suhr N. (1955)
* Econ.Geol., 50, 347-350
Initial data from BDM-file
Lattice parameters (cub. angs.,degr.):
a = 4.06 alpha = 90.0
b = 6.66 beta = 90.0
c = 7.99 gamma = 90.0
Unit cell volume (cub. angs.) = 216.05
Molar volume ( cub.cm/mol.) = 32.53
Co-ordinates, thermal parameters, occupation for atomic positions:
NoP x/a y/b z/c B(j) atom / occupation
1 0.0 0.0 0.0 0.0 Ag = 1.00
2 0.0 0.46 0.25 0.0 Cu = 1.00
3 0.0 0.8 0.25 0.0 S = 1.00
Co-ordinates for all atomic positions :
No NoP x/a y/b z/c
1 1 0.0 0.0 0.0
2 2 0.0 0.46 0.25
3 3 0.0 0.8 0.25
4 1 0.0 0.0 0.5
5 2 0.0 0.54 0.75
6 3 0.0 0.2 0.75
7 1 0.5 0.5 0.5
8 2 0.5 0.04 0.75
9 3 0.5 0.7 0.75
10 1 0.5 0.5 0.0
11 2 0.5 0.96 0.25
12 3 0.5 0.3 0.25
X-ray density (g/cm cub.) = 6.25
MU (1/cm) = 913.829 Mass attenuation coefficient (cm**2/g) = 146.129
Selected interatomic distances (cation-anion,anion-anion):
NoP Atom Rad.sph. C.N. Distance NoP N.
(angs.) (angs.)
1 Ag 3.54 6
2.4009 3
2.4009 3
3.4789 3
3.4789 3
3.4789 3
3.4789 3
2 Cu 3.36 3
2.2644 3
2.2927 3
2.2927 3
3 S 4.368 6
4.06 3
4.06 3
3.9 3
3.9 3
3.9 3
3.9 3
X-ray diffraction powder data (II), X-Ray W.L. = 1.54056(angs.):
No H K L Theta 2*Theta S LPG MF F I int.
( degree ) *100
1 0 0 2 11.117 22.234 0.125 50.9 2 15.2 50.7
2 1 1 0 12.838 25.676 0.144 37.65 4 86.8 2430.2
3 0 2 0 13.375 26.749 0.15 34.53 2 208.6 6435.0
4 1 1 1 14.017 28.034 0.157 31.26 8 24.1 311.5
5 0 2 1 14.513 29.026 0.163 29.02 4 76.1 1439.0
6 1 1 2 17.109 34.218 0.191 20.36 8 231.5 18700.2
7 0 2 2 17.526 35.052 0.195 19.31 4 109.0 1967.2
8 1 1 3 21.39 42.78 0.237 12.42 8 17.8 67.4
9 0 2 3 21.737 43.473 0.24 11.98 4 67.8 471.8
10 2 0 0 22.3 44.599 0.246 11.31 2 272.0 3587.0
11 0 0 4 22.682 45.365 0.25 10.89 2 270.4 3410.3
12 1 3 0 23.294 46.589 0.257 10.25 4 42.3 156.8
13 1 3 1 24.019 48.038 0.264 9.56 8 83.2 1135.8
14 2 0 2 25.19 50.381 0.276 8.58 4 9.6 6.8
15 1 3 2 26.101 52.202 0.286 7.91 8 226.0 6926.8
16 2 2 0 26.385 52.769 0.288 7.72 4 175.6 2039.7
17 1 1 4 26.427 52.854 0.289 7.69 8 61.7 501.8
18 0 2 4 26.723 53.446 0.292 7.5 4 174.7 1961.9
19 2 2 1 27.048 54.095 0.295 7.3 8 62.8 493.5
20 0 4 0 27.557 55.114 0.3 6.99 2 186.1 1037.4
21 0 4 1 28.201 56.402 0.307 6.64 4 34.8 68.8
22 2 2 2 28.975 57.949 0.314 6.24 8 84.3 760.3
23 1 3 3 29.336 58.672 0.318 6.07 8 77.5 625.0
24 0 4 2 30.08 60.159 0.325 5.74 4 69.9 240.0
25 2 2 3 32.02 64.041 0.344 5.0 8 58.8 296.1
26 1 1 5 32.058 64.116 0.345 4.99 8 13.8 16.2
27 0 2 5 32.321 64.641 0.347 4.9 4 58.6 144.0
28 2 0 4 32.752 65.504 0.351 4.76 4 232.7 2209.1
29 0 4 3 33.065 66.131 0.354 4.66 4 32.9 43.3
30 1 3 4 33.528 67.057 0.359 4.53 8 33.6 87.8
31 0 0 6 35.34 70.681 0.375 4.06 2 5.5 0.5
32 3 1 0 35.507 71.014 0.377 4.03 4 52.0 93.3
33 2 2 4 36.042 72.084 0.382 3.91 8 152.6 1560.7
34 3 1 1 36.068 72.137 0.382 3.9 8 13.2 11.7
35 2 4 0 36.751 73.502 0.388 3.77 4 163.0 857.5
36 0 4 4 37.033 74.066 0.391 3.71 4 162.4 839.0
37 2 4 1 37.305 74.61 0.393 3.66 8 30.9 59.8
38 1 5 0 37.489 74.979 0.395 3.63 4 122.0 463.1
39 3 1 2 37.732 75.464 0.397 3.59 8 172.3 1825.8
40 1 5 1 38.039 76.079 0.4 3.54 8 69.5 293.1
41 1 1 6 38.29 76.58 0.402 3.5 8 171.0 1752.7
42 0 2 6 38.533 77.067 0.404 3.46 4 73.0 158.0
43 1 3 5 38.571 77.142 0.405 3.45 8 68.9 280.9
44 2 4 2 38.95 77.899 0.408 3.4 8 60.9 215.6
45 1 5 2 39.675 79.349 0.414 3.3 8 98.4 547.1
46 3 1 3 40.453 80.907 0.421 3.2 8 12.9 9.1
47 2 2 5 40.967 81.933 0.426 3.14 8 52.6 149.2
48 2 4 3 41.649 83.299 0.431 3.07 8 28.7 43.3
49 3 3 0 41.805 83.609 0.433 3.06 4 29.5 22.8
50 0 4 5 41.922 83.843 0.434 3.05 4 28.5 21.3
51 3 3 1 42.34 84.68 0.437 3.01 8 65.8 223.3
52 1 5 3 42.364 84.728 0.437 3.01 8 65.7 222.1
53 2 0 6 43.772 87.543 0.449 2.9 4 4.5 0.5
54 3 3 2 43.941 87.882 0.45 2.89 8 177.7 1563.4
55 0 6 0 43.943 87.887 0.45 2.89 2 117.1 169.7
56 3 1 4 44.2 88.4 0.453 2.87 8 47.3 109.9
57 0 6 1 44.476 88.952 0.455 2.86 4 96.5 227.8
58 1 3 6 44.483 88.965 0.455 2.86 8 176.6 1527.3
X-ray diffraction powder data (I)...X-Ray wave length = 1.54056 (angs.):
No H K L Theta 2*Theta d I int I int.n. I p.h.n. H(Si)
( degree ) (angstrem) *100 *100
1 1 1 0 12.838 25.676 3.46664 2430.2 13.0 13.1 5.6
2 0 2 0 13.375 26.749 3.33 6435.0 34.4 34.6 5.6
3 1 1 1 14.017 28.034 3.18021 311.5 1.7 1.7 5.6
4 0 2 1 14.513 29.026 3.07373 1439.0 7.7 7.7 5.6
5 1 1 2 17.109 34.218 2.6183 18700.2 100.0 100.0 5.7
6 0 2 2 17.526 35.052 2.55791 1967.2 10.5 10.5 5.7
7 0 2 3 21.737 43.473 2.07992 471.8 2.5 2.5 5.7
8 2 0 0 22.3 44.599 2.03 3587.0 19.2 19.0 5.7
9 0 0 4 22.682 45.365 1.9975 3410.3 18.2 18.0 5.7
10 1 3 1 24.019 48.038 1.89241 1135.8 6.1 6.0 5.7
11 1 3 2 26.101 52.202 1.75081 6926.8 37.0 36.3 5.8
12 2 2 0 26.385 52.769 1.73332 2039.7 10.9 10.7 5.8
13 1 1 4 26.427 52.854 1.73074 501.8 2.7 2.6 5.8
14 0 2 4 26.723 53.446 1.71296 1961.9 10.5 10.3 5.8
15 2 2 1 27.048 54.095 1.69392 493.5 2.6 2.6 5.8
16 0 4 0 27.557 55.114 1.665 1037.4 5.5 5.4 5.8
17 2 2 2 28.975 57.949 1.5901 760.3 4.1 4.0 5.8
18 1 3 3 29.336 58.672 1.57222 625.0 3.3 3.2 5.8
19 0 4 2 30.08 60.159 1.53687 240.0 1.3 1.2 5.8
20 2 2 3 32.02 64.041 1.45275 296.1 1.6 1.5 5.9
21 2 0 4 32.752 65.504 1.4238 2209.1 11.8 11.4 5.9
22 2 2 4 36.042 72.084 1.30915 1572.4 8.4 8.0 5.9
23 2 4 0 36.751 73.502 1.28737 857.5 4.6 4.3 6.0
24 0 4 4 37.033 74.066 1.27896 839.0 4.5 4.3 6.0
25 1 5 0 37.489 74.979 1.26563 463.1 2.5 2.3 6.0
26 3 1 2 37.732 75.464 1.25868 1825.8 9.8 9.2 6.0
27 1 5 1 38.039 76.079 1.25004 293.1 1.6 1.5 6.0
28 1 1 6 38.29 76.58 1.2431 1752.7 9.4 8.8 6.0
29 1 3 5 38.571 77.142 1.23544 280.9 1.5 1.4 6.0
30 2 4 2 38.95 77.899 1.22532 215.6 1.2 1.1 6.0
31 1 5 2 39.675 79.349 1.20653 547.1 2.9 2.7 6.0
32 3 3 1 42.34 84.68 1.14365 445.4 2.4 2.2 6.1
33 3 3 2 43.941 87.882 1.11004 1733.1 9.3 8.5 6.2
34 1 3 6 44.483 88.965 1.09931 1755.1 9.4 8.6 6.2
Reference:
Chichagov A.V. et al.
Information-Calculating System on Crystal Structure Data of Minerals
(MINCRYST)
- Kristallographiya, v.35, n.3, 1990, p.610-616 (in Russian)
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