Iowaite
Allmann R, Donnay J D H
American Mineralogist 54 (1969) 296-299
About the structure of iowaite
_database_code_amcsd 0000189
3.119 3.119 24.52 90 90 120 R-3m
atom x y z occ
Mg 0 0 0 .8
Fe 0 0 0 .2
OH1 0 0 .376
OH2 0 0 .5 .6
Cl 0 0 .5 .2
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Iowaite
Zhitova E S, Chukanov N V, Pekov I V, Zolotarev A A, Shilovskikh V V, Bocharov V N
Applied Clay Science 243 (2023) 107070
Crystal chemistry of iowaite, Mg6FeIII2(OH)16Cl2 x 4H2O, a natural layered double hydroxide
Locality: Talnakh, Russia
_database_code_amcsd 0021230
3.1077 3.1077 23.885 90 90 120 R-3m
atom x y z occ Uiso
Mg 0 0 0 .75 .0192
Al 0 0 0 .04 .0192
Fe 0 0 0 .21 .0192
O1 1/3 2/3 .0424 .0195
H1 1/3 2/3 .0819 .029
Wat2 .147 2/3 1/6 .084 .08
Cl2 .147 2/3 1/6 .014 .08
Cl .734 .266 .167 .021 .06
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Iowaite
Braithwaite R S W, Dunn P J, Pritchard R G, Paar W H
Mineralogical Magazine 58 (1994) 79-85
Iowaite, a re-investigation
Locality: Palabora open pit mine, Phalaborwa, Transvaal
_database_code_amcsd 0014506
3.1183 3.1183 24.113 90 90 120 R-3m
atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Mg 0 0 0 .75 .0077 .0077 .0268 .0039 0 0
Fe 0 0 0 .25 .0077 .0077 .0268 .0039 0 0
O 1/3 2/3 .04206 .0166 .0166 .0191 .0058 0 0
H 1/3 2/3 .0670 .010
Cl .2105 .7895 1/6 .0417 .245 .232 .046 0 0 .017
Wat .2105 .7895 1/6 .0833 .245 .232 .046 0 0 .017
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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