洪星二锅头
第1楼2014/11/04
和刚玉相比,水软铝石因为含有羟基,受电子轰击易受损伤,因此可以初步判断你的第一幅为水软铝石的可能性比较大
做了个简单的标定,没有完全验证其正确性,有时间再试试第二图的标定,lz可以参考
另外建议lz以后对于这类矿物的衍射谱,最好能提供具体的晶格常数或pdf卡片,为前来参加讨论的版友节省时间,也便于你得到更加直接快捷的答复
Category | Oxide mineral |
Formula (repeating unit) | γ-AlO(OH) |
Crystal symmetry | Orthorhombic 2/m 2/m 2/m |
Unit cell | a = 3.693 Å, b = 12.221 Å, c = 2.865 Å; Z = 4 |
Category | Oxide mineral – Hematite group |
Formula (repeating unit) | Aluminium oxide,Al 2O 3 |
Crystal symmetry | Trigonal (32/m) |
Unit cell | a = 4.75 Å, c = 12.982 Å; Z=6 |
lizhengtctc
第2楼2014/11/07
Thanks!但是我标的跟你不一样,我第一个图认为是Al(OH)3,不知道对不对。
这个图我标的是一水软铝石,你看下是否正确?
Category | Oxide mineral |
Formula (repeating unit) | γ-AlO(OH) |
Crystal symmetry | Orthorhombic 2/m 2/m 2/m |
Unit cell | a = 3.693 Å, b = 12.221 Å, c = 2.865 Å; Z = 4 |
Category | Oxide mineral – Hematite group |
Formula (repeating unit) | Aluminium oxide,Al 2O 3 |
Crystal symmetry | Trigonal (32/m) |
Unit cell | a = 4.75 Å, c = 12.982 Å; Z=6 |
lizhengtctc
第3楼2014/11/07
PDF#33-0018: QM=Star/Calculated; d=Other/Unknown; I=(Unknown)
Gibbsite, syn
Al(OH)3
Radiation=CuKa1 Lambda=1.5406 Filter=
Calibration= d-Cutoff= I/Ic(RIR)=1.0
Ref= Level-1 PDF
Monoclinic, P21/n(14) Z=8 mp=
Cell=8.655x5.072x9.716<90x94.607x90> Pearson=
Density(c)=2.40 Density(m)= Mwt= Vol=
Ref= Ibid.
Strong Line: 4.85/X 4.37/7 1.46/6 2.39/6 4.32/5 2.05/4 2.45/4 1.80/3
d(A) I(f) I(v) h k l n^2 2-Theta Theta 1/(2d) 2pi/d
4.848 100.0 50.0 0 0 2 18.282 9.141 0.1031 1.2959
4.371 70.0 39.0 1 1 0 20.299 10.150 0.1144 1.4374
4.318 50.0 28.0 2 0 0 20.548 10.274 0.1158 1.4549
3.359 17.0 12.0 2 0 -2 26.514 13.257 0.1489 1.8706
3.312 30.0 22.0 1 1 -2 26.895 13.448 0.1510 1.8970
3.182 25.0 19.0 1 1 2 28.010 14.005 0.1571 1.9740
3.105 13.0 10.0 1 0 -3 28.724 14.362 0.1610 2.0233
2.465 25.0 25.0 3 1 -1 36.406 18.203 0.2028 2.5481
2.452 40.0 40.0 0 2 1 36.615 18.308 0.2039 2.5623
2.422 15.0 15.0 0 0 4 37.082 18.541 0.2064 2.5938
2.385 55.0 56.0 3 1 1 37.683 18.842 0.2096 2.6343
2.347 4.0 4.0 1 2 1 38.317 19.159 0.2130 2.6770
2.289 15.0 16.0 3 1 -2 39.313 19.657 0.2184 2.7439
2.246 20.0 22.0 0 2 2 40.107 20.053 0.2226 2.7970
2.192 2.0 2.0 1 2 -2 41.139 20.569 0.2281 2.8659
2.164 27.0 30.0 3 1 2 41.689 20.845 0.2310 2.9026
2.084 4.0 5.0 1 1 4 43.373 21.686 0.2399 3.0142
2.048 40.0 47.0 3 1 -3 44.166 22.083 0.2440 3.0666
2.023 3.0 4.0 2 2 -2 44.752 22.376 0.2471 3.1053
1.994 28.0 34.0 0 2 3 45.439 22.720 0.2507 3.1504
1.963 12.0 15.0 1 2 -3 46.190 23.095 0.2546 3.1997
1.920 15.0 19.0 1 2 3 47.305 23.652 0.2604 3.2725
1.804 30.0 40.0 3 2 -2 50.547 25.273 0.2771 3.4825
1.751 30.0 42.0 0 2 4 52.174 26.087 0.2854 3.5869
1.736 4.0 6.0 1 2 -4 52.665 26.333 0.2879 3.6183
1.697 4.0 6.0 1 2 4 53.975 26.988 0.2946 3.7017
1.684 30.0 43.0 3 1 4 54.423 27.211 0.2968 3.7300
1.657 18.0 26.0 1 3 0 55.381 27.691 0.3016 3.7905
1.592 7.0 11.0 4 1 -4 57.850 28.925 0.3140 3.9452
1.586 7.0 11.0 3 1 -5 58.093 29.047 0.3152 3.9604
1.573 16.0 25.0 5 0 -3 58.603 29.302 0.3177 3.9921
1.552 3.0 5.0 2 0 -6 59.492 29.746 0.3221 4.0471
1.484 8.0 13.0 2 1 -6 62.510 31.255 0.3368 4.2322
1.457 60.0 100.0 3 2 4 63.798 31.899 0.3430 4.3103
1.440 18.0 30.0 4 1 -5 64.651 32.326 0.3471 4.3618
1.411 19.0 33.0 3 3 -2 66.147 33.074 0.3542 4.4514
1.402 13.0 23.0 3 1 -6 66.648 33.324 0.3566 4.4813
1.380 6.0 11.0 3 3 2 67.815 33.907 0.3621 4.5504
1.362 10.0 18.0 0 2 -6 68.881 34.441 0.3671 4.6132
1.331 7.0 13.0 1 2 6 70.715 35.358 0.3756 4.7203
1.324 4.0 7.0 2 2 -6 71.109 35.554 0.3774 4.7431
1.299 3.0 6.0 4 1 -6 72.679 36.339 0.3846 4.8336
1.231 3.0 6.0 6 2 -2 77.428 38.714 0.4060 5.1016
1.226 2.0 4.0 3 3 4 77.795 38.897 0.4076 5.1220
1.216 12.0 24.0 4 2 5 78.611 39.305 0.4112 5.1671
1.211 7.0 14.0 1 4 2 78.952 39.476 0.4127 5.1859
1.179 4.0 8.0 1 1 -8 81.578 40.789 0.4241 5.3288
1.145 4.0 8.0 6 2 -4 84.539 42.269 0.4366 5.4865
1.093 3.0 7.0 4 4 0 89.586 44.793 0.4573 5.7470
1.082 4.0 9.0 6 3 -2 90.716 45.358 0.4619 5.8038
PDF#21-1307: QM=Star/Calculated; d=Other/Unknown; I=(Unknown)
Bohmite, syn
AlO(OH)
Radiation=CuKa1 Lambda=1.5406 Filter=
Calibration= d-Cutoff= I/Ic(RIR)=
Ref= Level-1 PDF
Orthorhombic, Amam(63) Z=4 mp=
Cell=3.7x12.227x2.868<90x90x90> Pearson=
Density(c)=3.07 Density(m)= Mwt= Vol=
Ref= Ibid.
Strong Line: 6.11/X 3.16/7 2.35/6 1.86/3 1.85/3 1.45/2 1.31/2 1.66/1
d(A) I(f) I(v) h k l n^2 2-Theta Theta 1/(2d) 2pi/d
6.110 100.0 70.0 0 2 0 14.485 7.242 0.0818 1.0283
3.164 65.0 88.0 1 2 0 28.181 14.090 0.1580 1.9858
2.346 55.0 100.0 0 3 1 38.336 19.168 0.2131 2.6783
1.980 6.0 13.0 1 3 1 45.788 22.894 0.2525 3.1733
1.860 30.0 69.0 0 5 1 48.929 24.464 0.2688 3.3781
1.850 25.0 58.0 2 0 0 49.211 24.605 0.2703 3.3963
1.770 6.0 14.0 2 2 0 51.594 25.797 0.2825 3.5498
1.662 14.0 36.0 1 5 1 55.222 27.611 0.3008 3.7805
1.527 6.0 17.0 0 8 0 60.588 30.294 0.3274 4.1147
1.453 16.0 47.0 2 3 1 64.029 32.014 0.3441 4.3243
1.434 10.0 30.0 0 0 2 64.980 32.490 0.3487 4.3816
1.412 2.0 6.0 1 8 0 66.121 33.060 0.3541 4.4498
1.396 2.0 6.0 0 2 2 66.978 33.489 0.3582 4.5008
1.383 6.0 19.0 1 7 1 67.692 33.846 0.3615 4.5432
1.369 2.0 6.0 2 6 0 68.480 34.240 0.3652 4.5896
1.312 16.0 52.0 2 5 1 71.903 35.952 0.3811 4.7890
1.303 4.0 13.0 1 2 2 72.479 36.239 0.3837 4.8221
1.224 2.0 7.0 1 4 2 77.999 39.000 0.4085 5.1333
1.209 2.0 7.0 3 2 0 79.155 39.578 0.4136 5.1970
1.178 4.0 14.0 2 8 0 81.671 40.835 0.4244 5.3338
1.171 2.0 7.0 0 6 2 82.256 41.128 0.4269 5.3652
1.160 4.0 15.0 1 10 0 83.138 41.569 0.4307 5.4123
1.133 6.0 23.0 2 0 2 85.600 42.800 0.4410 5.5422
1.115 2.0 8.0 2 2 2 87.373 43.686 0.4484 5.6341
1.091 2.0 8.0 3 3 1 89.753 44.876 0.4580 5.7554
1.045 2.0 8.0 0 8 2 94.864 47.432 0.4781 6.0074
1.028 2.0 8.0 3 5 1 97.047 48.523 0.4863 6.1115
0.990 2.0 9.0 2 6 2 102.124 51.062 0.5049 6.3447
0.981 2.0 9.0 1 12 0 103.360 51.680 0.5093 6.3997
0.950 2.0 9.0 3 7 1 108.252 54.126 0.5260 6.6097
0.931 2.0 9.0 0 3 3 111.659 55.829 0.5371 6.7489
0.924 2.0 9.0 4 0 0 112.817 56.409 0.5407 6.7948
0.910 2.0 9.0 2 8 2 115.558 57.779 0.5491 6.9008
0.902 2.0 9.0 1 10 2 117.230 58.615 0.5541 6.9635
0.893 2.0 10.0 0 13 1 119.061 59.531 0.5595 7.0305
0.890 2.0 10.0 0 5 3 119.720 59.860 0.5614 7.0542
0.866 2.0 10.0 1 5 3 125.613 62.807 0.5774 7.2554
0.860 2.0 10.0 4 3 1 127.003 63.501 0.5809 7.3001
0.831 2.0 10.0 2 3 3 135.719 67.860 0.6013 7.5555
0.828 4.0 21.0 4 5 1 136.750 68.375 0.6034 7.5829
0.818 2.0 10.0 1 7 3 140.665 70.333 0.6112 7.6812
0.802 2.0 11.0 2 5 3 147.370 73.685 0.6230 7.8285