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