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Parvo-manganotremolite |
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Oberti R, Camara F, Della Ventura G, Iezzi G, Benimoff A I |
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American Mineralogist 91 (2006) 526-532 |
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Parvo-mangano-edenite, parvo-manganotremolite, and the solid solution |
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between Ca and Mn2+ at the M4 site in amphiboles |
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Locality: amphibole, Grenville marble, Arnold open pit, St Lawrence Co, New York, USA |
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Sample: 1104 |
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Note: A and B occupancies invented to match formula |
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_database_code_amcsd 0004127 |
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9.7807 18.0548 5.2928 90 104.19 90 C2/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 0 .5 0 .05 1.92 |
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NaAm .043 .5 .106 .105 3.37 .0092 .0022 .0463 0 .0146 0 |
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KAm .043 .5 .106 .005 3.37 .0092 .0022 .0463 0 .0146 0 |
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NaA2 0 .4714 0 .09 2.32 .0054 .0011 .0451 0 .0156 0 |
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CaM4B 0 .2713 .5 .565 1.42 .0028 .0017 .0112 0 .0029 0 |
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MnM4B 0 .2713 .5 .415 1.42 .0028 .0017 .0112 0 .0029 0 |
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NaM4B 0 .2713 .5 .02 1.42 .0028 .0017 .0112 0 .0029 0 |
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MgM1 0 .0878 .5 .94 .59 .0017 .0004 .0059 0 .0005 0 |
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Mn2+M1 0 .0878 .5 .06 .59 .0017 .0004 .0059 0 .0005 0 |
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MgM2 0 .1767 0 .935 .62 .0017 .0004 .0065 0 .0005 0 |
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Mn2+M2 0 .1767 0 .045 .62 .0017 .0004 .0065 0 .0005 0 |
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Fe2+M2 0 .1767 0 .015 .62 .0017 .0004 .0065 0 .0005 0 |
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Fe3+M2 0 .1767 0 .005 .62 .0017 .0004 .0065 0 .0005 0 |
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MgM3 0 0 0 .46 .63 .0017 .0004 .0065 0 .0003 0 |
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AlM3 0 0 0 .03 .63 .0017 .0004 .0065 0 .0003 0 |
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SiT1 .2822 .0843 .2923 .88 .50 .0012 .0003 .0059 -.0001 0 -.0001 |
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AlT1 .2822 .0843 .2923 .12 .50 .0012 .0003 .0059 -.0001 0 -.0001 |
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SiT2 .2913 .1710 .7995 .55 .0013 .0004 .0056 -.0002 0 .0001 |
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O1 .1115 .0859 .2165 .64 .0014 .0005 .0062 0 -.0001 .0001 |
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O2 .1204 .1720 .7239 .69 .0016 .0005 .0076 0 .0006 0 |
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O3 .1103 0 .7147 .65 .0016 .0004 .0075 0 .0002 0 |
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O4 .3691 .2477 .7830 1.03 .0029 .0006 .0107 -.0005 -.0001 .0002 |
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O5 .3482 .1349 .0930 .99 .0018 .0010 .0088 0 .0001 .0011 |
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O6 .3455 .1169 .5880 1.02 .0017 .0010 .0100 0 .0002 -.0011 |
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O7 .3407 0 .2783 1.02 .0020 .0004 .0161 0 .0004 0 |
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H .204 0 .768 2.06 |
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View JMOL 3-D Structure (permalink) |
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