Andalusite
Winter J K, Ghose S
American Mineralogist 64 (1979) 573-586
Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 polymorphs
T = 25 deg C
_database_code_amcsd 0000728
7.7980 7.9031 5.5566 90 90 90 Pnnm
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Al1 0 0 .2419 0.0021 0.0029 0.0023 0.0005 0 0
Al2 .3705 .1391 .5 0.0009 0.0026 0.0028 0 0 0
Si .2460 .2520 0 0.0007 0.0024 0.0025 0 0 0
Oa .4246 .3629 0 0.0011 0.0031 0.0031 -.0006 0 0
Ob .1030 .4003 0 0.0010 0.0027 0.0086 0.0002 0 0
Oc .4233 .3629 .5 0.0018 0.0028 0.0030 -.0003 0 0
Od .2305 .1339 .2394 0.0016 0.0032 0.0030 -.0004 -.0004 .0005
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Andalusite
Winter J K, Ghose S
American Mineralogist 64 (1979) 573-586
Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 polymorphs
T = 400 deg C
_database_code_amcsd 0000729
7.8355 7.9289 5.5611 90 90 90 Pnnm
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Al1 0 0 .2419 0.0052 0.0046 0.0040 0.0015 0 0
Al2 .3713 .1396 .5 0.0021 0.0037 0.0054 -.0001 0 0
Si .2461 .2534 0 0.0020 0.0033 0.0046 .0000 0 0
Oa .4239 .3641 0 0.0026 0.0045 0.0057 -.0009 0 0
Ob .1032 .4004 0 0.0023 0.0039 0.0163 0.0002 0 0
Oc .4243 .3629 .5 0.0040 0.0038 0.0055 -.0006 0 0
Od .2320 .1356 .2392 0.0038 0.0052 0.0058 -.0008 -.0011 .0011
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Andalusite
Winter J K, Ghose S
American Mineralogist 64 (1979) 573-586
Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 polymorphs
T = 600 deg C
_database_code_amcsd 0000730
7.8556 7.9424 5.5642 90 90 90 Pnnm
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Al1 0 0 .2419 0.0069 0.0056 0.0049 0.0021 0 0
Al2 .3718 .1398 .5 0.0027 0.0045 0.0065 -.0002 0 0
Si .2462 .2541 0 0.0026 0.0039 0.0057 0.0001 0 0
Oa .4236 .3646 0 0.0035 0.0055 0.0067 -.0012 0 0
Ob .1031 .4008 0 0.0032 0.0044 0.0215 0.0004 0 0
Oc .4249 .3630 .5 0.0048 0.0045 0.0070 -.0009 0 0
Od .2329 .1364 .2392 0.0049 0.0063 0.0072 -.0011 -.0015 0.0014
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Andalusite
Winter J K, Ghose S
American Mineralogist 64 (1979) 573-586
Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 polymorphs
T = 800 deg C
_database_code_amcsd 0000731
7.8759 7.9567 5.5664 90 90 90 Pnnm
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Al1 0 0 .242 0.0086 0.0067 0.0059 0.0027 0 0
Al2 .3721 .1401 .500 0.0033 0.0050 0.0079 -.0001 0 0
Si .2463 .2547 0 0.0033 0.0043 0.0068 0.0001 0 0
Oa .4231 .3650 0 0.0041 0.0068 0.0077 -.0015 0 0
Ob .1034 .4009 0 0.0032 0.0047 0.0257 0.0004 0 0
Oc .4256 .3631 .500 0.0061 0.0050 0.0081 -.0010 0 0
Od .2335 .1371 .239 0.0060 0.0071 0.0086 -.0012 -.0017 0.0018
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Andalusite
Winter J K, Ghose S
American Mineralogist 64 (1979) 573-586
Thermal expansion and high-temperature crystal chemistry of the Al2SiO5 polymorphs
T = 1000 deg C
_database_code_amcsd 0000732
7.8976 7.9735 5.5695 90 90 90 Pnnm
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Al1 0 0 .2418 0.0107 0.0077 0.0070 0.0036 0 0
Al2 .3724 .1404 .5 0.0042 0.0059 0.0090 0.0001 0 0
Si .2461 .2551 0 0.0042 0.0049 0.0080 .0000 0 0
Oa .4224 .3661 0 0.0055 0.0074 0.0093 -.0019 0 0
Ob .1033 .4006 0 0.0041 0.0053 0.0306 0.0006 0 0
Oc .4259 .3629 .5 0.0073 0.0058 0.0098 -.0014 0 0
Od .2345 .1379 .2387 0.0072 0.0081 0.0102 -.0018 -.0023 .0020
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Andalusite
Ralph R L, Finger L W, Hazen R M, Ghose S
American Mineralogist 69 (1984) 513-519
Compressibility and crystal structure of andalusite at high pressure
12 kbar continuous-scan
_database_code_amcsd 0000938
7.7599 7.8735 5.544 90 90 90 Pnnm
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Al1 0 0 .2414 0.0031 0.0020 0.0058 0.0004 0 0
Al2 .3593 .1390 .5 0.0022 0.0019 0.0054 0.0001 0 0
Si .2461 .2515 0 0.0019 0.0020 0.0041 0.0002 0 0
OA .4222 .3631 .5 0.0034 0.0016 0.0059 -.0001 0 0
OB .4247 .3621 0 0.0030 0.0022 0.0060 -.0005 0 0
OC .1034 .4004 0 0.0018 0.0027 0.0059 0.0001 0 0
OD .2298 .1337 .2389 0.0024 0.0032 0.0036 -.0005 -.0001 0.0002
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Andalusite
Ralph R L, Finger L W, Hazen R M, Ghose S
American Mineralogist 69 (1984) 513-519
Compressibility and crystal structure of andalusite at high pressure
12 kbar step-scan
_database_code_amcsd 0000939
7.760 7.873 5.544 90 90 90 Pnnm
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Al1 0 0 .2416 0.0026 0.0017 0.0035 0.0004 0 0
Al2 .3702 .1391 .5 0.0014 0.0015 0.0046 -.0003 0 0
Si .2459 .2514 0 0.0015 0.0012 0.0041 -.0002 0 0
OA .4221 .3634 .5 0.0024 0.0021 0.0009 -.0003 0 0
OB .4249 .3623 0 0.0026 0.0020 0.0026 0.0007 0 0
OC .1031 .4000 0 0.0015 0.0013 0.0066 -.0003 0 0
OD .2303 .1327 .2389 0.0025 0.0018 0.0045 0.0000 -.0007 .0010
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Andalusite
Ralph R L, Finger L W, Hazen R M, Ghose S
American Mineralogist 69 (1984) 513-519
Compressibility and crystal structure of andalusite at high pressure
25 kbar step-scan
_database_code_amcsd 0000940
7.7382 7.8571 5.5338 90 90 90 Pnnm
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Al1 0 0 .2419 0.0036 0.0026 0.0007 0.0009 0 0
Al2 .3702 .1386 .5 0.0022 0.0020 0.0052 -.0003 0 0
Si .2460 .2505 0 0.0019 0.0019 0.0047 0 0 0
OA .4220 .3632 .5 0.0025 0.0027 0.0066 0.0004 0 0
OB .4260 .3608 0 0.0025 0.0035 0.0017 -.0009 0 0
OC .1031 .3999 0 0.0036 0.0025 0.0068 -.0012 0 0
OD .2303 .1324 .2387 0.0030 0.0030 0.0017 -.0004 -.0003 .0000
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Andalusite
Ralph R L, Finger L W, Hazen R M, Ghose S
American Mineralogist 69 (1984) 513-519
Compressibility and crystal structure of andalusite at high pressure
37 kbar continuous scan
_database_code_amcsd 0000941
7.7049 7.8375 5.5262 90 90 90 Pnnm
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Al1 0 0 .2414 0.0029 0.0018 0.0013 0.0001 0 0
Al2 .3699 .1387 .5 0.0016 0.0020 0.0022 0.0004 0 0
Si .2467 .25 0 0.0012 0.0015 0.0050 0.0001 0 0
OA .4203 .3639 .5 0.0024 0.0019 0.0027 -.0011 0 0
OB .4269 .3598 0 0.0027 0.0021 0.0037 -.0002 0 0
OC .1034 .4008 0 0.0021 0.0010 0.0065 0.0001 0 0
OD .2296 .1308 .2399 0.0024 0.0020 0.0033 -.0003 -.0010 .0010
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Andalusite
Burt J B, Ross N L, Angel R J, Koch M
American Mineralogist 91 (2006) 319-326
Equations of state and structures of andalusite
to 9.8 GPa and sillimanite to 8.5 GPa
Locality: Minas Gerais, Brazil
Sample: P = .0001 GPa
_database_code_amcsd 0004114
7.7930 7.89734 5.55583 90 90 90 Pnnm
atom x y z Biso
Al1 0 0 .2418 .44
Al2 .3703 .13879 .5 .41
Si .2465 .25237 0 .40
OA .4224 .3638 .5 .43
OB .4254 .3619 0 .42
OC .1017 .4012 0 .73
OD .2292 .1341 .2388 .52
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Andalusite
Burt J B, Ross N L, Angel R J, Koch M
American Mineralogist 91 (2006) 319-326
Equations of state and structures of andalusite
to 9.8 GPa and sillimanite to 8.5 GPa
Locality: Minas Gerais, Brazil
Sample: P = 1.474 GPa
_database_code_amcsd 0004115
7.7568 7.87268 5.54488 90 90 90 Pnnm
atom x y z Biso
Al1 0 0 .24198 .29
Al2 .3704 .13868 .5 .31
Si .2464 .25148 0 .28
OA .4217 .3630 .5 .3159
OB .4257 .3615 0 .36
OC .1018 .4004 0 .70
OD .2302 .13261 .2395 .45
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Andalusite
Burt J B, Ross N L, Angel R J, Koch M
American Mineralogist 91 (2006) 319-326
Equations of state and structures of andalusite
to 9.8 GPa and sillimanite to 8.5 GPa
Locality: Minas Gerais, Brazil
Sample: P = 2.512 GPa
_database_code_amcsd 0004116
7.7320 7.85659 5.53642 90 90 90 Pnnm
atom x y z Biso
Al1 0 0 .2415 .31
Al2 .3700 .13868 .5 .31
Si .2466 .25092 0 .301
OA .4208 .3637 .5 .37
OB .4270 .3608 0 .34
OC .1044 .4001 0 .67
OD .2296 .1320 .2400 .47
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Andalusite
Burt J B, Ross N L, Angel R J, Koch M
American Mineralogist 91 (2006) 319-326
Equations of state and structures of andalusite
to 9.8 GPa and sillimanite to 8.5 GPa
Locality: Minas Gerais, Brazil
Sample: P = 3.129 GPa
_database_code_amcsd 0004117
7.7186 7.8467 5.5329 90 90 90 Pnnm
atom x y z Biso
Al1 0 0 .24182 .299
Al2 .3699 .13831 .5 .321
Si .2466 .25083 0 .294
OA .4203 .3631 .5 .33
OB .4272 .3601 0 .32
OC .1020 .3998 0 .71
OD .2296 .13146 .2394 .44
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Andalusite
Burt J B, Ross N L, Angel R J, Koch M
American Mineralogist 91 (2006) 319-326
Equations of state and structures of andalusite
to 9.8 GPa and sillimanite to 8.5 GPa
Locality: Minas Gerais, Brazil
Sample: P = 3.932 GPa
_database_code_amcsd 0004118
7.7014 7.8354 5.52629 90 90 90 Pnnm
atom x y z Biso
Al1 0 0 .2419 .31
Al2 .3702 .13830 .5 .31
Si .2472 .25020 0 .28
OA .4215 .3635 .5 .35
OB .4259 .3599 0 .38
OC .1045 .3996 0 .70
OD .2289 .1315 .2398 .40
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Andalusite
Burt J B, Ross N L, Angel R J, Koch M
American Mineralogist 91 (2006) 319-326
Equations of state and structures of andalusite
to 9.8 GPa and sillimanite to 8.5 GPa
Locality: Minas Gerais, Brazil
Sample: P = 5.441 GPa
_database_code_amcsd 0004119
7.6704 7.81452 5.51589 90 90 90 Pnnm
atom x y z Biso
Al1 0 0 .2417 .30
Al2 .3695 .13774 .5 .30
Si .2475 .24974 0 .30
OA .4203 .3633 .5 .3304
OB .4287 .3584 0 .33
OC .10377 .3999 0 .75
OD .2292 .1303 .2399 .39
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Andalusite
Burt J B, Ross N L, Angel R J, Koch M
American Mineralogist 91 (2006) 319-326
Equations of state and structures of andalusite
to 9.8 GPa and sillimanite to 8.5 GPa
Locality: Minas Gerais, Brazil
Sample: P = 7.565 GPa
_database_code_amcsd 0004120
7.6313 7.78625 5.50175 90 90 90 Pnnm
atom x y z Biso
Al1 0 0 .2418 .30
Al2 .3694 .1378 .5 .36
Si .2471 .2485 0 .37
OA .4194 .3621 .5 .39
OB .4290 .3568 0 .37
OC .1038 .3990 0 .64
OD .2291 .1290 .2391 .37
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Andalusite
Burt J B, Ross N L, Angel R J, Koch M
American Mineralogist 91 (2006) 319-326
Equations of state and structures of andalusite
to 9.8 GPa and sillimanite to 8.5 GPa
Locality: Minas Gerais, Brazil
Sample: P = 9.828 GPa
_database_code_amcsd 0004121
7.5922 7.7600 5.4872 90 90 90 Pnnm
atom x y z Biso
Al1 0 0 .2418 .28
Al2 .3693 .1378 .5 .28
Si .2479 .24784 0 .28
OA .4187 .3631 .5 .33
OB .4309 .3562 0 .37
OC .1043 .4003 0 .77
OD .2288 .1285 .2393 .33
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Andalusite
Taylor W
Zeitschrift fur Kristallographie 71 (1929) 205-218
The Structure of Andalusite, Al2 Si O5
_cod_database_code 1010924
_database_code_amcsd 0017647
7.76 7.90 5.56 90 90 90 Pnnm
atom x y z
O1 .08 -.14 0
O2 .04 -.17 .5
O3 .14 .4 0
O4 .21 .14 .25
Si1 .28 .25 0
Al1 0 0 .25
Al2 -.14 .36 0
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