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Na(NaMg)Mg5Si8O22(OH)2 |
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Iezzi G, Della Ventura G, Oberti R, Camara F, Holtz F |
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American Mineralogist 89 (2004) 640-646 |
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Synthesis and crystal-chemistry of Na(NaMg)Mg5Si8O22(OH)2, a P2_1/m amphibole |
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_database_code_amcsd 0003533 |
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9.689 17.938 5.268 90 102.50 90 P2_1/m |
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atom x y z occ Biso B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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NaA .2654 .25 .0462 3.56 .0063 .0038 .0413 0 .0130 0 |
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MgM1 -.2499 .3382 .4850 .65 .0022 .0004 .0064 .0000 .0011 -.0001 |
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MgM2 -.2503 .4295 .9842 .66 .0021 .0004 .0070 .0000 .0013 .0002 |
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MgM3 -.2494 .25 .9859 .62 .0023 .0004 .0053 0 .0011 0 |
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NaM4 -.2461 .5054 .4840 .5 .84 .0026 .0006 .0091 .0001 .0028 .0005 |
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MgM4 -.2461 .5054 .4840 .5 .84 .0026 .0006 .0091 .0001 .0028 .0005 |
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SiT1A .0324 .3355 .2619 .54 .0017 .0003 .0052 .0000 .0007 .0000 |
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SiT1B .5321 .8346 .2949 .52 .0017 .0004 .0047 .0000 .0009 .0001 |
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SiT2A .0408 .4214 .7677 .53 .0017 .0003 .0053 -.0001 .0007 .0000 |
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SiT2B .5439 .9195 .7989 .67 .0021 .0005 .0056 -.0003 .0006 .0001 |
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O1A -.1369 .3368 .1973 .58 .0017 .0003 .0069 .0002 .0011 -.0002 |
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O1B .3629 .8366 .2255 .57 .0021 .0004 .0047 -.0003 .0010 .0001 |
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O2A -.1302 .4217 .7018 .77 .0019 .0008 .0061 .0000 .0010 -.0003 |
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O2B .3734 .9219 .7355 .72 .0019 .0005 .0085 -.0001 .0014 -.0002 |
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Oh3A -.1394 .25 .6943 .68 .0021 .0005 .0064 0 .0008 0 |
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Oh3B .3577 3/4 .7221 .72 .0019 .0004 .0089 0 .0010 0 |
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O4A .1199 .4993 .7959 1.16 .0046 .0005 .0099 -.0007 -.0005 -.0002 |
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O4B .6258 .9938 .7658 1.80 .0060 .0008 .0159 -.0019 -.0034 .0021 |
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O5A .0969 .3674 .0237 1.00 .0025 .0009 .0092 .0002 .0015 .0012 |
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O5B .6002 .8854 .0969 .97 .0022 .0010 .0085 .0000 .0011 .0013 |
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O6A .0994 .3800 .5277 1.07 .0025 .0010 .0092 .0004 .0006 -.0018 |
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O6B .5934 .8578 .5964 1.07 .0022 .0011 .0087 .0001 .0006 -.0011 |
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O7A .0921 .25 .2998 .94 .0017 .0005 .0156 0 .0016 0 |
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O7B .5905 3/4 .2613 .83 .0023 .0002 .0139 0 .0021 0 |
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H1 -.053 .25 .751 3.28 |
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H2 .566 .25 .241 1.87 |
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