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Takovite |
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Mills S J, Whitfield P S, Kampf A R, Wilson S A, Dipple G M, Raudsepp M, Favreau G |
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Journal of Geosciences 58 (2012) 273-279 |
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Contribution to the crystallography of hydrotalcites: |
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the crystal structures of woodallite and takovite |
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Note: polytype 3R |
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Note: calculated chemical formula differs from expected |
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Locality: Agoudal mine, Bou Azzer district, Tazenakht, Morocco |
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_database_code_amcsd 0019806 |
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3.0290 3.0290 22.5995 90 90 120 R-3m |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Ni 0 0 0 .623 .0095 .0077 .0077 .0132 .00387 0 0 |
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Al 0 0 0 .377 .0095 .0077 .0077 .0132 .00387 0 0 |
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C 1/3 2/3 .4992 .17 .063 .074 .074 .040 .037 0 0 |
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O1 1/3 2/3 .04374 .0160 .0178 .0178 .0124 .0089 0 0 |
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O2 .168 .168 .5 .17 .036 .040 .040 .022 .015 .0006 -.0006 |
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H 1/3 2/3 .0822 .019 |
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View JMOL 3-D Structure (permalink) |
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