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Stichtite |
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Mills S J, Whitfield P S, Wilson S A, Woodhouse J N, Dipple G M, |
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Raudsepp M, Francis C A |
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American Mineralogist 96 (2011) 179-187 |
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The crystal structure of stichtite, re-examination of barbertonite, and the |
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nature of polytypism in MgCr hydrotalcites |
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Note: 3R1 polytype of stichtite |
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Locality: Tasmania, Australia |
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_database_code_amcsd 0018330 |
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3.09552 3.09552 23.5042 90 90 120 R-3m |
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atom x y z occ Biso |
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Mg 0 0 0 .77 .16 |
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Cr 0 0 0 .23 .16 |
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O1 1/3 2/3 .37268 .04 |
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H1 1/3 2/3 .41108 .04 |
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Wat2 .1242 -.1242 .5 .102 .02 |
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CO3 1/3 2/3 .5 .059 .02 |
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O3 .1242 -.1242 .5 .059 .02 |
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