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Cassagnaite |
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Basso R, Carbone C, Palenzona A |
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European Journal of Mineralogy 20 (2008) 95-100 |
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Cassagnaite, a new, V-bearing silicate mineral from the Cassagna mine, |
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northern Apennines, Italy |
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Locality: Cassagna mine, northern Apennines, Liguria, Italy |
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_database_code_amcsd 0007254 |
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6.066 8.908 18.995 90 90 90 Cmcm |
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atom x y z occ Biso |
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Ca 0 .6834 .1571 .825 1.06 |
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Mn 0 .6834 .1571 .175 1.06 |
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Fe3+M1 1/4 1/4 0 .4 .45 |
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Mn3+M1 1/4 1/4 0 .35 .45 |
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AlM1 1/4 1/4 0 .25 .45 |
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V3+M2 .2448 .4411 1/4 .175 .23 |
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MgM2 .2448 .4411 1/4 .15 .23 |
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AlM2 .2448 .4411 1/4 .125 .23 |
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Si1 0 .1066 1/4 .6 .62 |
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Si2 0 .0289 .0948 .40 |
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O1 0 .9555 .1796 .33 |
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O2 .2280 .1864 1/4 2.10 |
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O3 .2166 .1182 .0808 .54 |
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O4 0 .8666 .0540 1.93 |
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OH5 0 .3681 .0326 .91 |
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OH6 0 .4214 .1799 .5 1.0 |
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