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Kosmochlor |
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Cameron M, Sueno S, Prewitt C T, Papike J J |
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American Mineralogist 58 (1973) 594-618 |
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High-temperature crystal chemistry of acmite, diopside, hedenbergite, jadeite, |
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spodumene, and ureyite |
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T = 400 C |
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pyroxene |
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_database_code_amcsd 0000360 |
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9.597 8.751 5.274 90 107.29 90 C2/c |
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atom x y z B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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Si .2920 .0918 .2328 .00178 .00180 .01221 -.00020 .00204 -.00015 |
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Cr1 0 .9072 1/4 .00194 .00195 .01226 0 .00196 0 |
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Na2 0 .3001 1/4 .00719 .00335 .01819 0 -.00035 0 |
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O1 .1139 .0794 .1369 .00223 .00311 .01507 -.00033 .00278 .00010 |
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O2 .3607 .2571 .3012 .00352 .00214 .02085 -.00134 .00268 -.00220 |
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O3 .3521 .0099 .0062 .00324 .00377 .01578 .00037 .00280 -.00084 |
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