Anhydrite (soluble)
Lager G A, Armbruster T, Rotella F J, Jorgensen J D, Hinks D G
American Mineralogist 69 (1984) 910-918
A crystallographic study of the low-temperature dehydration products of gypsum
CaSO4*2H2O: hemihydrate CaSO4*0.50H2O, and gamma-CaSO4
Note: gamma-CaSO4
Locality: synthetic
_database_code_amcsd 0019837
6.9694 6.9694 6.3033 90 90 120 P6_222
atom x y z Biso
Ca .5 0 0 0.99
S .5 0 .5 1.17
O .4458 .1347 .3578 1.44
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Anhydrite
Hawthorne F C, Ferguson R B
The Canadian Mineralogist 13 (1975) 289-292
Anhydrous sulphates. II. Refinement of the crystal structure of anhydrite
Locality: Leopoldshall, East Germany
_database_code_amcsd 0005117
6.993 6.995 6.245 90 90 90 Amma
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Ca .75 0 .34760 .00343 .00377 .00354 0 0 0
S .25 0 .15556 .00338 .00270 .00296 0 0 0
O1 .25 .1699 .0162 .00786 .00337 .00486 0 0 0
O2 .0819 0 .2975 .00351 .00679 .00513 0 .00121 0
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Anhydrite
Hartman P
European Journal of Mineralogy 1 (1989) 721-722
On the unit cell dimensions and bond lengths of anhydrite
Note: this is a re-indexed structure of Hawthorne and Ferguson (1975)
Locality: Leopoldshall, East Germany
_database_code_amcsd 0020859
6.992 6.999 6.240 90 90 90 Bmmb
atom x y z Biso
Ca1 0 .25 .3477
S1 0 .75 .1556
O1 .1698 .75 .0158
O2 0 .5817 .2974
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Anhydrite
Xu H, Guo X, Bai J
Physics and Chemistry of Minerals 44 (2017) 125-135
Thermal behavior of polyhalite: a high-temperature synchrotron XRD study
Note: T = 648 K
Locality: Salado formation at the WIPP site, Carlsbad, New Mexico, USA
_database_code_amcsd 0020860
7.03276 7.02381 6.32712 90 90 90 Bmmb
atom x y z Uiso
Ca 0 .25 .3434 .0132
S 0 .75 .1581 .017
O1 .1725 .75 .0264 .025
O2 0 .5829 .3010 .025
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Anhydrite
Cheng G, Zussman J
Acta Crystallographica 16 (1963) 767-769
The crystal structure of anhydrite (CaSO4)
Locality: Madagascar
_database_code_amcsd 0020853
6.991 6.996 6.238 90 90 90 Amma
atom x y z Biso
Ca .75 0 .346 .7
S .25 0 .155 .7
O1 .25 .171 .015 .9
O2 .08 0 .298 1.1
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Anhydrite
Morikawa H, Tomita T, Minato I, Iwai S
Acta Crystallographica B31 (1975) 2164-2165
Anhydrite: a refinement
Locality: Berchtesgaden, Germany
_database_code_amcsd 0020852
6.992 6.999 6.240 90 90 90 Bmmb
atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3)
Ca 0 .25 .3478 .0045 .0033 .0041 0 0 0
S 0 .75 .1556 .0036 .0035 .0035 0 0 0
O1 .1700 .75 .0157 .0036 .0084 .0054 0 .0011 0
O2 0 .5814 .2972 .0079 .0032 .0058 0 0 .0010
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Anhydrite
Kirfel A, Will G
Acta Crystallographica B36 (1980) 2881-2890
Charge density in anhydrite, CaSO4, from X-ray and neutron diffraction
measurements
Locality: Stassfurt, Germany
_database_code_amcsd 0020854
7.006 6.998 6.245 90 90 90 Amma
atom x y z Biso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca .75 0 .34765 .0068 .0095 .0068 0 0 0
S .25 0 .15577 .0059 .0069 .0047 0 0 0
O1 .25 .16956 .01607 .0178 .0084 .0090 0 0 .0024
O2 .08202 0 .29735 .0064 .0173 .0091 0 .0015 0
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Anhydrite (soluble)
Christensen A, Olesen M, Cerenius Y, Jensen T
Chemistry of Materials 20 (2008) 2124-2132
Formation and transformation of five different phases
in the CaSO4-H2O system: crystal structure of the
subhydrate beta-CaSO4*0.5H2O and soluble anhydrite CaSO4
Locality: synthetic
_database_code_amcsd 0020851
6.96895 6.96865 6.30044 90 90 120 P6_222
atom x y z Biso
Ca .5 0 0 .66
S .5 0 .5 .46
O .4471 .1365 .3591 .98
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Anhydrite
Wasastjerna J
Commentationes Physico-Mathematicae 2 (1927) 1-46
The crystal structure of anhydrite, CaSO4
_database_code_amcsd 0020855
6.24 6.98 6.97 90 90 90 Bbmm
atom x y z
Ca .65 .25 0
S .15 .25 0
O1 .31 .06 0
O2 .01 .25 .19
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Anhydrite
Bezou C, Nonat A, Mutin J C, Christensen A N, Lehmann M S
Journal of Solid State Chemistry 117 (1995) 165-176
Of the crystal structure of gamma-CaSO4, CaSO4*0.5(H2O), and CaSO4*0.6(H2O)
by powder diffraction methods
Locality: Maurienne, France
_database_code_amcsd 0013866
12.0777 6.9723 6.3040 90 90 90 C222
atom x y z Biso
Ca2 .25 .25 .6664 1.60
Ca4 0 0 0 .62
S2 0 0 .5 .73
S4 .25 .25 .1648 .56
O12 .0713 .8842 .3548 .69
O41 .2267 .4152 .3049 .18
O42 .3494 .274 .0292 1.01
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Anhydrite
Antao S
Powder Diffraction 26 (2011) 326-330
Crystal-structure analysis of four mineral samples of anhydrite, Ca(SO4),
using synchrotron high-resolution powder X-ray diffraction data
Locality: Hants County, Nova Scotia, Canada
_database_code_amcsd 0020856
7.00032 6.99234 6.24097 90 90 90 Amma
atom x y z Uiso
Ca .75 0 .34673 .0062
S .25 0 .1557 .0071
O1 .25 .1728 .0176 .0081
O2 .0811 0 .2976 .0108
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Anhydrite
Antao S
Powder Diffraction 26 (2011) 326-330
Crystal-structure analysis of four mineral samples of anhydrite, Ca(SO4),
using synchrotron high-resolution powder X-ray diffraction data
_database_code_amcsd 0020857
7.00071 6.99274 6.24125 90 90 90 Amma
atom x y z Uiso
Ca .75 0 .34637 .0081
S .25 0 .1554 .0071
O1 .25 .1733 .0164 .0079
O2 .0797 0 .2967 .0077
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Anhydrite
Antao S
Powder Diffraction 26 (2011) 326-330
Crystal-structure analysis of four mineral samples of anhydrite, Ca(SO4),
using synchrotron high-resolution powder X-ray diffraction data
_database_code_amcsd 0020858
7.00136 6.99339 6.24171 90 90 90 Amma
atom x y z Uiso
Ca .75 0 .34631 .0081
S .25 0 .1551 .0075
O1 .25 .1721 .0159 .0088
O2 .0798 0 .2976 .0091
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Anhydrite
Hohne E
Soviet Physics Crystallography 7 (1962) 559-569
A more accurate determination of the
crystal structure of anhydrite, CaSO4
_database_code_amcsd 0019829
6.23 6.98 6.97 90 90 90 Bbmm
atom x y z
Ca .346 .75 0
S .154 .25 0
O1 .296 .080 0
O2 .020 .25 .173
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