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Oxy-dravite |
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Bosi F, Skogby H |
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American Mineralogist 98 (2013) 1442-1448 |
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Oxy-dravite, Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3O, a new mineral species |
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of the tourmaline supergroup |
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Locality: Osarara, Narok district, Kenya |
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_database_code_amcsd 0020259 |
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15.9273 15.9273 7.20010 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 .22939 .830 .0223 .0217 .0217 .0235 .0108 .000 .000 |
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KX 0 0 .22939 .020 .0223 .0217 .0217 .0235 .0108 .000 .000 |
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AlY .12223 .061116 .63657 .447 .00881 .00895 .00675 .01145 .00448 -.00316 -.00158 |
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MgY .12223 .061116 .63657 .343 .00881 .00895 .00675 .01145 .00448 -.00316 -.00158 |
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FeY .12223 .061116 .63657 .203 .00881 .00895 .00675 .01145 .00448 -.00316 -.00158 |
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TiY .12223 .061116 .63657 .007 .00881 .00895 .00675 .01145 .00448 -.00316 -.00158 |
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AlZ .297683 .261493 .61014 .825 .00552 .00531 .00536 .00583 .00262 -.00008 .00039 |
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MgZ .297683 .261493 .61014 .172 .00552 .00531 .00536 .00583 .00262 -.00008 .00039 |
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FeZ .297683 .261493 .61014 .003 .00552 .00531 .00536 .00583 .00262 -.00008 .00039 |
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B .10989 .21978 .45430 .00626 .0054 .0060 .0076 .0030 .00027 .0005 |
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Si .191532 .189631 0 .00490 .00458 .00429 .00590 .00226 -.00054 -.00061 |
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O1 0 0 .7698 .76 .0110 .0127 .0127 .0075 .00637 .000 .000 |
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OH1 0 0 .7698 .24 .0110 .0127 .0127 .0075 .00637 .000 .000 |
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O2 .06076 .12151 .48724 .00918 .0112 .0042 .0098 .00210 .00044 .0009 |
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O3 .26112 .13056 .50994 .01206 .0221 .0124 .0049 .0110 .0008 .00040 |
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H3 .2453 .1227 .396 .018 |
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O4 .09356 .18712 .07152 .00936 .0070 .0140 .0094 .00699 -.00075 -.0015 |
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O5 .18445 .09223 .09252 .00900 .0148 .0066 .0083 .00740 .0016 .00080 |
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O6 .19447 .18433 .77729 .00751 .0090 .0089 .0054 .00505 -.00081 -.00140 |
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O7 .28509 .28474 .07754 .00776 .0064 .0053 .0084 .00047 -.00179 -.00106 |
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O8 .20920 .27005 .43936 .00909 .0039 .0088 .0140 .00275 .00051 .00227 |
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View JMOL 3-D Structure (permalink) |
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