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Lawsonite |
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Sondergeld P, Schranz W, Troster A, Armbruster T, Giester G, Kityk A, Carpenter M A |
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American Mineralogist 90 (2005) 448-456 |
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Ordering and elasticity associated with low-temperature phase transitions in lawsonite |
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Sample at T = 215 K |
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_database_code_amcsd 0003737 |
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5.8515 8.7768 13.1107 90 90 90 *Pmcn |
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.25 .25 0 |
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atom x y z Uiso |
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Ca 0 .33243 .25072 .00745 |
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Al .25 .25 0 .00413 |
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Ala .25 .25 .5 .00383 |
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Si 0 .98045 .13204 .00417 |
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Sia 0 .97888 .36585 .00416 |
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O1 0 .04971 .24903 .00699 |
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O2 .27482 .37460 .11933 .00705 |
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O2a .27177 .37994 .38419 .00608 |
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O3 0 .13736 .06351 .00562 |
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O3a 0 .13592 .43419 .00576 |
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O4 0 .64019 .05069 .00593 |
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O4a 0 .63476 .45762 .00739 |
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O5 0 .60880 .24857 .01533 |
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Hw 0 .6420 .1849 .037 |
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Hwa 0 .681 .2870 .046 |
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Hh 0 .5395 .0386 .047 |
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Hha 0 .5638 .4245 .104 |
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