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Magnesiohornblende |
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Oberti R, Ungaretti L, Cannillo E, Hawthorne F C, Memmi I |
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European Journal of Mineralogy 7 (1995) 1049-1063 |
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Temperature-dependent Al order-disorder in the |
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tetrahedral double chain of C2/m amphiboles |
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Sample: S(3) |
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_database_code_amcsd 0006602 |
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9.856 18.078 5.311 90 104.85 90 C2/m |
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atom x y z occ Biso |
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NaA 0 1/2 0 .056 1.61 |
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KA 0 1/2 0 .026 1.61 |
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NaAm .0436 1/2 .0924 .056 1.33 |
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KAm .0436 1/2 .0924 .026 1.33 |
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NaA2 0 .4700 0 .056 2.50 |
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KA2 0 .4700 0 .026 2.50 |
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FeM1 0 .0888 1/2 .3 .54 |
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MgM1 0 .0888 1/2 .7 .54 |
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AlM2 0 .1777 0 .11 .47 |
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TiM2 0 .1777 0 .075 .47 |
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FeM2 0 .1777 0 .26 .47 |
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MgM2 0 .1777 0 .555 .47 |
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AlM3 0 0 0 .03 .49 |
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FeM3 0 0 0 .34 .49 |
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MgM3 0 0 0 .63 .49 |
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CaM4 0 .2789 1/2 .4525 .88 |
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MnM4 0 .2789 1/2 .005 .88 |
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FeM4 0 .2789 1/2 .0425 .88 |
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CaM4' 0 .2533 1/2 .4525 .69 |
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MnM4' 0 .2533 1/2 .005 .69 |
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FeM4' 0 .2533 1/2 .0425 .69 |
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SiT1 .2804 .0850 .2987 .78 .44 |
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AlT1 .2804 .0850 .2987 .22 .44 |
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SiT2 .2901 .1718 .8082 .95 .51 |
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AlT2 .2901 .1718 .8082 .05 .51 |
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H .1950 0 .7587 .9765 .5 |
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O1 .1090 .0884 .2150 .69 |
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O2 .1194 .1734 .7296 .71 |
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O3 .1105 0 .7138 .9765 .78 |
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F3 .1105 0 .7138 .0235 .78 |
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O4 .3676 .2489 .7908 .91 |
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O5 .3479 .1369 .1043 .96 |
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O6 .3429 .1183 .5958 .93 |
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O7 .3356 0 .2863 1.03 |
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