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Wadalite |
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Tsukimura K, Kanazawa Y, Aoki M, Bunno M |
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Acta Crystallographica C49 (1993) 205-207 |
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Structure of wadalite Ca6Al5Si2O16Cl3 |
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Note: the values for the anisoU's are from ICSD |
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12.001 12.001 12.001 90 90 90 I-43d |
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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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Ca .1043 0 .25 .96 .0086 .0082 .0092 .0084 0 0 .0110 |
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Mg .1043 0 .250 .04 .0086 .0082 .0092 .0084 0 0 .0110 |
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AlT1 -.0169 -.0169 -.0169 .60 .0065 .0065 .0065 .0065 .0005 .0005 .0005 |
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SiT1 -.0169 -.0169 -.0169 .28 .0065 .0065 .0065 .0065 .0005 .0005 .0005 |
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FeT1 -.0169 -.0169 -.0169 .12 .0065 .0065 .0065 .0065 .0005 .0005 .0005 |
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AlT2 .375 0 .25 .68 .0066 .0016 .0090 .0090 0 0 0 |
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SiT2 .375 0 .25 .32 .0066 .0016 .0090 .0090 0 0 0 |
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O1 .0628 .0628 .0628 .0178 .0178 .0178 .0178 .0096 .0096 .0096 |
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O2 .0308 .0500 .6488 .0120 .0088 .0122 .0151 .0020 .0014 -.0005 |
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Cl .125 .5 .25 .92 .0189 .0078 .0244 .0244 0 0 0 |
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| Download AMC data (View Text File)
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Wadalite |
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Mihajlovic T, Lengauer C L, Ntaflos T, Lolitsch U, Tillmanns E |
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Neues Jahrbuch fur Mineralogie, Abhandlungen 179 (2004) 265-294 |
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Two new minerals, rondorfite, Ca8Mg[SiO4]4Cl2, and almarudite, |
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K(box,Na)2(Mn,Fe,Mg)2(Be,Al)3[Si12O30], and a study of iron-rich wadalite, |
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Ca12[(Al8Si4Fe2)O32]C16, from the Bellerberg (Bellberg) volcano, Eifel, Germany |
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Locality: Bellerberg volcano lava field, 2 km N of Mayen, |
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Eastern Eifel volcanic area, Eifel, Germany |
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12.0343 12.0343 12.0343 90 90 90 I-43d |
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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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CaM .10461 0 .25 .00965 .00924 .00832 .01138 0 0 .00175 |
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SiT2 .23312 .23312 .23312 .485 .0058 .00583 .00583 .00583 .00034 .00034 .00034 |
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AlT2 .23312 .23312 .23312 .331 .0058 .00583 .00583 .00583 .00034 .00034 .00034 |
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FeT2 .23312 .23312 .23312 .165 .0058 .00583 .00583 .00583 .00034 .00034 .00034 |
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TiT2 .23312 .23312 .23312 .019 .0058 .00583 .00583 .00583 .00034 .00034 .00034 |
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AlT1 .375 0 .25 .788 .0074 .0057 .00820 .00820 0 0 0 |
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SiT1 .375 0 .25 .050 .0074 .0057 .00820 .00820 0 0 0 |
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FeT1 .375 0 .25 .049 .0074 .0057 .00820 .00820 0 0 0 |
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MgT1 .375 0 .25 .113 .0074 .0057 .00820 .00820 0 0 0 |
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O1 .06319 .06319 .06319 .0142 .0142 .0142 .0142 .0033 .0033 .0033 |
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O2 .03132 .05061 .64877 .0130 .0130 .0108 .0152 .0011 -.0020 .0015 |
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Cl1 .875 0 .25 .949 .0206 .0085 .0267 .0267 0 0 0 |
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| Download AMC data (View Text File)
Download CIF data (View Text File)
Download diffraction data (View Text File)
View JMOL 3-D Structure
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