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Oxy-vanadium-dravite |
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Bosi F, Reznitskii L, Sklyarov E V |
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American Mineralogist 98 (2013) 501-505 |
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Oxy-vanadium-dravite, NaV3(V4Mg2)(Si6O18)(BO3)3(OH)3O: |
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Crystal structure and redefinition of the "vanadium-dravite" tourmaline |
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Locality: Sludyanka complex, southern Baikal region, Russia |
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_database_code_amcsd 0019820 |
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16.1908 16.1908 7.4143 90 90 120 R3m |
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atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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NaX 0 0 .22575 1.029 .0252 .0255 .0255 .0244 .0128 0 0 |
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VY .122910 .061455 .63907 .925 .00800 .0073 .0067 .0102 .0036 -.0010 -.0005 |
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VZ .298218 .261727 .61043 .569 .00670 .0059 .0065 .0075 .0030 .00002 .0005 |
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MgZ .298218 .261727 .61043 .431 .00670 .0059 .0065 .0075 .0030 .00002 .0005 |
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B .10951 .21901 .45484 .00887 .0074 .0086 .0111 .0043 .0007 .0015 |
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SiT .189382 .187781 0 .00701 .0064 .0059 .0088 .0030 -.0003 -.0004 |
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O1 0 0 .76587 .0091 .0089 .0089 .0095 .0044 0 0 |
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O2 .06071 .12141 .48914 .00886 .0081 .0066 .0113 .0033 .0009 .0017 |
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O3 .25659 .12830 .50995 .01127 .0128 .0118 .0095 .0064 .0009 .0004 |
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O4 .09213 .18426 .06973 .01145 .0089 .0164 .0115 .0082 -.0005 -.0011 |
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O5 .18214 .09107 .08701 .01089 .0159 .0085 .0108 .0080 .0014 .0007 |
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O6 .19183 .18285 .78271 .00902 .0100 .0083 .0085 .0044 -.0004 -.0007 |
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O7 .28151 .28147 .07441 .00992 .0082 .0074 .0111 .0016 -.0012 -.0014 |
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O8 .20666 .26751 .43882 .01122 .0056 .0098 .0176 .0033 .0010 .0038 |
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H3 .2643 .1321 .386 .017 |
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| Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
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