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Sanidine |
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Ackermann S, Kunz M, Armbruster T, Schefer J, Hanni H |
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Schweizerische Mineralogische und Petrographische Mitteilungen 84 (2004) 345-354 |
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Cation distribution in a Fe-bearing K-feldspar from Itrongay, Madagascar: |
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A combined neutron- and X-ray single-crystal diffraction study |
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Note: Combined X-Ray, Neutron diffraction data, cell parameters from X-Ray data |
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Locality: Itrongay, Madagascar |
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_database_code_amcsd 0020557 |
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8.5832 13.0076 7.1943 90 116.023 90 C2/m |
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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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K1M .21471 .5 .8619 .895 .0270 .0177 .0334 .0270 0 .0070 0 |
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Na1M .21471 .5 .8619 .105 .0270 .0177 .0334 .0270 0 .0070 0 |
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SiT1 .99057 .18506 .77623 .65 .0107 .0114 .0118 .0092 .0022 .0047 .0011 |
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AlT1 .99057 .18506 .77623 .33 .0107 .0114 .0118 .0092 .0022 .0047 .0011 |
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FeT1 .99057 .18506 .77623 .02 .0107 .0114 .0118 .0092 .0022 .0047 .0011 |
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SiT2 .20953 .38208 .34432 .88 .0105 .0110 .0093 .0107 .0002 .0042 -.0001 |
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AlT2 .20953 .38208 .34432 .12 .0105 .0110 .0093 .0107 .0002 .0042 -.0001 |
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O1 .1382 .5 .2850 .0207 .0206 .0136 .0205 0 .0021 0 |
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O2 .31989 .37375 .59434 .0201 .0221 .0210 .0116 .0023 .0022 .0017 |
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O3 0 .14652 0 .0210 .0249 .0211 .0173 0 .0093 0 |
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O4 .03536 .31106 .2585 .0193 .0184 .0180 .0195 -.0027 .0063 -.0033 |
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O5 .17230 .14693 .7726 .0252 .0231 .0328 .0244 .0044 .0146 -.0007 |
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View JMOL 3-D Structure (permalink) |
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