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Ankerite |
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Reeder R J, Dollase W A |
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American Mineralogist 74 (1989) 1159-1167 |
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Structural variation in the dolomite-ankerite solid-solution series: An X-ray, |
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Mossbauer, and TEM study |
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sample AMNH 6376 |
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_database_code_amcsd 0001273 |
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4.8240 4.8240 16.1217 90 90 120 R-3 |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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CaA 0 0 0 .998 0.0105 0.0105 .00067 .00525 0 0 |
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FeA 0 0 0 .002 0.0105 0.0105 .00067 .00525 0 0 |
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MgB 0 0 .5 .451 0.0078 0.0078 .00062 .0039 0 0 |
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FeB 0 0 .5 .540 0.0078 0.0078 .00062 .0039 0 0 |
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CaB 0 0 .5 .009 0.0078 0.0078 .00062 .0039 0 0 |
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C 0 0 .24360 0.0099 0.0099 .00070 .00495 0 0 |
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O .2498 -.0300 .24471 0.0098 0.0159 .00123 0.0073 -.00024 -.00101 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Ankerite |
|
Reeder R J, Dollase W A |
|
American Mineralogist 74 (1989) 1159-1167 |
|
Structural variation in the dolomite-ankerite solid-solution series: An X-ray, |
|
Mossbauer, and TEM study |
|
sample AMNH 8059 |
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_database_code_amcsd 0001274 |
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4.8312 4.8312 16.1663 90 90 120 R-3 |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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CaA 0 0 0 .978 .01095 .01095 .000663 .005475 0 0 |
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FeA 0 0 0 .022 .01095 .01095 .000663 .005475 0 0 |
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MgB 0 0 .5 .273 .00804 .00804 .000633 .00402 0 0 |
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FeB 0 0 .5 .708 .00804 .00804 .000633 .00402 0 0 |
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CaB 0 0 .5 .019 .00804 .00804 .000633 .00402 0 0 |
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C 0 0 .24395 0.0098 0.0098 0.00070 .0049 0 0 |
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O .25045 -.02842 .24496 0.0114 0.0161 0.00122 .0089 -.00076 -.00106 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
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Ankerite |
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Ross N L, Reeder R J |
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American Mineralogist 77 (1992) 412-421 |
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High-pressure structural study of dolomite and ankerite |
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P = 0.00 GPa |
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_database_code_amcsd 0001449 |
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4.8360 4.8360 16.186 90 90 120 R-3 |
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atom x y z occ Biso |
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CaA 0 0 0 .997 1.10 |
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MgB 0 0 .5 .273 0.36 |
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FeB 0 0 .5 .676 0.36 |
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MnB 0 0 .5 .054 0.36 |
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C 0 0 .2443 0.88 |
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O .2511 -.0289 .2450 1.10 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
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Ankerite |
|
Ross N L, Reeder R J |
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American Mineralogist 77 (1992) 412-421 |
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High-pressure structural study of dolomite and ankerite |
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P = 1.90 GPa |
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_database_code_amcsd 0001450 |
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4.8163 4.8163 15.992 90 90 120 R-3 |
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atom x y z occ Biso |
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CaA 0 0 0 .997 1.26 |
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MgB 0 0 .5 .273 0.34 |
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FeB 0 0 .5 .676 0.34 |
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MnB 0 0 .5 .054 0.34 |
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C 0 0 .2432 0.95 |
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O .2519 -.0292 .2455 1.17 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Ankerite |
|
Ross N L, Reeder R J |
|
American Mineralogist 77 (1992) 412-421 |
|
High-pressure structural study of dolomite and ankerite |
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P = 2.97 GPa |
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_database_code_amcsd 0001451 |
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4.8070 4.8070 15.881 90 90 120 R-3 |
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atom x y z occ Biso |
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CaA 0 0 0 .997 0.96 |
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MgB 0 0 .5 .273 0.83 |
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FeB 0 0 .5 .676 0.83 |
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MnB 0 0 .5 .054 0.83 |
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C 0 0 .2444 0.84 |
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O .2523 -.0291 .2452 1.03 |
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|
| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
|
Ankerite |
|
Ross N L, Reeder R J |
|
American Mineralogist 77 (1992) 412-421 |
|
High-pressure structural study of dolomite and ankerite |
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P = 4.00 GPa |
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_database_code_amcsd 0001452 |
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4.7990 4.7990 15.792 90 90 120 R-3 |
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atom x y z occ Biso |
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CaA 0 0 0 .997 1.00 |
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MgB 0 0 .5 .273 0.66 |
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FeB 0 0 .5 .676 0.66 |
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MnB 0 0 .5 .054 0.66 |
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C 0 0 .2441 0.89 |
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O .2520 -.0290 .2453 1.04 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
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Ankerite |
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Beran A, Zemann J |
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Tschermaks Mineralogische und Petrographische Mitteilungen 24 (1977) 279-286 |
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Refinement and comparison of the crystal structures of a dolomite and of an Fe-rich ankerite |
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Locality: Erzberg, Etage Dreikonig, Styria, Austria |
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_database_code_amcsd 0015665 |
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4.830 4.830 16.167 90 90 120 R-3 |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Ca 0 0 0 .01075 .01075 .00051 .005375 0 0 |
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Fe 0 0 .5 .63 .00750 .00750 .00056 .00375 0 0 |
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Mg 0 0 .5 .27 .00750 .00750 .00056 .00375 0 0 |
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Ca 0 0 .5 .05 .00750 .00750 .00056 .00375 0 0 |
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Mn 0 0 .5 .05 .00750 .00750 .00056 .00375 0 0 |
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C 0 0 .2442 .00913 .00913 .00027 .004565 0 0 |
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O .2506 -.0283 .2449 .01091 .01539 .00127 .00869 -.00083 -.00101 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink) |
| |
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