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Labuntsovite-Fe |
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Rastsvetaeva R K, Chukanov N V, Pekov I V, Shlyukova Z V, Khomyakov A P |
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Crystallography Reports 43 (1998) 820-827 |
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Structures of two potassium-rich labuntsovites in relation to the crystal chemistry |
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of minerals of the labuntsovite-nenadkevichite family |
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Sample: II |
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_database_code_amcsd 0012359 |
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14.33 13.83 7.79 90 117.1 90 C2/m |
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atom x y z occ Biso |
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NaAI .4068 .2665 .007 .5 3.9 |
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NaAII .4190 0 .7022 .125 5.3 |
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KAII .4190 0 .7022 .75 5.3 |
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TiMI1 .25 .25 .5 .9 2.46 |
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NbMI1 .25 .25 .5 .1 2.46 |
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TiMI2 0 .2247 .5 .9 2.45 |
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NbMI2 0 .2247 .5 .1 2.45 |
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FeMII 0 0 .5 .0625 2.6 |
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MnMII 0 0 .5 .0625 2.6 |
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MgMII 0 0 .5 .025 2.6 |
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Si1 .3225 .1107 .2520 1.65 |
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Si2 .2080 .1094 .8017 1.60 |
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O1 .0829 .1201 .6801 2.2 |
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O2 .2743 .1824 .7376 1.9 |
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O3 .2657 .1259 .3876 2.0 |
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O4 .3667 0 .2769 2.1 |
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O5 .2431 0 .7764 2.2 |
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O6 .4209 .1803 .3026 2.2 |
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O7 .2363 .1262 .0271 2.2 |
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OH .1013 .2229 .3965 2.0 |
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KAIII .0839 0 .3363 .65 2.24 |
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BaAIII .0839 0 .3363 .2 2.24 |
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WatAIII .0839 0 .3363 .15 2.24 |
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Ow1 .5 .1425 0 10.3 |
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Ow2 0 .1175 0 10.7 |
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H1 .479 .119 .89 3 |
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H2 .051 .131 .09 4 |
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