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Pargasite |
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Welch M D, Knight K S |
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European Journal of Mineralogy 11 (1999) 321-331 |
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A neutron powder diffraction study of cation ordering in |
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high-temperature synthetic amphiboles |
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_database_code_amcsd 0006771 |
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9.8930 17.937 5.2802 90 105.518 90 C2/m |
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atom x y z occ Uiso |
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NaA2/m 0 .5 0 .068 |
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MgM1 0 .0881 .5 .0057 |
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MgM2 0 .1761 0 .75 .0011 |
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AlM2 0 .1761 0 .25 .0011 |
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MgM3 0 0 0 .5 .0067 |
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AlM3 0 0 0 .5 .0067 |
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CaM4 0 .2804 .5 .0104 |
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SiT1 .2807 .0861 .3040 .58 .0023 |
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AlT1 .2807 .0861 .3040 .42 .0023 |
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SiT2 .2884 .1734 .8171 .92 .0025 |
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AlT2 .2884 .1734 .8171 .08 .0025 |
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O1 .1070 .0866 .2185 .0093 |
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O2 .1199 .1726 .7330 .0078 |
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O3 .1061 0 .7176 .0010 |
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O4 .3658 .2506 .7863 .0072 |
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O5 .3489 .1399 .1165 .0059 |
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O6 .3436 .1135 .6191 .0089 |
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O7 .3414 0 .2672 .0083 |
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H .2045 0 .7796 .045 |
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| Download AMC data (View Text File)
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Download diffraction data (View Text File)
View JMOL 3-D Structure (permalink)
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