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Indialite |
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Daniels P |
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American Mineralogist 77 (1992) 407-411 |
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Structural effects of the incorporation of large-radius alkalis in high |
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cordierite |
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Locality: synthetic |
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_database_code_amcsd 0001448 |
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9.801 9.801 9.381 90 90 120 P6/mcc |
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atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Mg 1/3 2/3 .25 0.0119 0.0119 0.0179 .00595 0 0 |
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Al1 .5 .5 .25 .927 0.0096 0.0096 0.0129 0.0048 0 0 |
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Si1 .5 .5 .25 .073 0.0096 0.0096 0.0129 0.0048 0 0 |
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Al2 .3735 .2663 0 .25 0.0115 0.0092 0.0143 0.0062 0 0 |
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Si2 .3735 .2663 0 .75 0.0115 0.0092 0.0143 0.0062 0 0 |
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O1 .4844 .3489 .1439 0.0163 0.0132 0.0169 0.0090 -.0028 -.0001 |
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O2 .2299 .3070 0 0.0196 0.0232 0.0312 0.0155 0 0 |
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Cs 0 0 .25 .281 0.0406 0.0406 0.0558 0.0203 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 (permalink) |
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Indialite |
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Balassone G, Franco E, Mattia C A, Puliti R |
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American Mineralogist 89 (2004) 1-6 |
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Indialite in xenolithic rocks from Somma-Vesuvius volcano (Southern Italy): |
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Crystal chemistry and petrogenetic features |
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_database_code_amcsd 0003187 |
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9.775 9.775 9.354 90 90 120 P6/mcc |
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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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Al1 .5 .5 .25 .917 1.10 .00409 .00409 .0032 .0024 0 0 |
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Si1 .5 .5 .25 .083 1.10 .00409 .00409 .0032 .0024 0 0 |
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Al2 .3734 .2665 0 .250 1.33 .0056 .0041 .0040 .00295 0 0 |
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Si2 .3734 .2665 0 .750 1.33 .0056 .0041 .0040 .00295 0 0 |
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Mg 1/3 2/3 .25 .970 1.40 .0047 .0047 .0043 .00235 0 0 |
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Fe 1/3 2/3 .25 .030 1.40 .0047 .0047 .0043 .00235 0 0 |
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O1 .4851 .3494 .1444 1.60 .0063 .0052 .0048 .00325 -.00025 .0001 |
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O2 .2306 .3081 0 2.47 .0108 .0095 .0070 .00735 0 0 |
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K 0 0 .162 .168 9 .020 .020 .05 .010 0 0 |
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Ca 0 0 .162 .042 9 .020 .020 .05 .010 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 (permalink) |
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Indialite |
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Meagher E P, Gibbs G V |
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The Canadian Mineralogist 15 (1977) 43-49 |
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The polymorphism of cordierite: II. The crystal structure of indialite |
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Locality: from a burning coal seam in the Bokaro coalfield, India |
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_database_code_amcsd 0005136 |
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9.800 9.800 9.345 90 90 120 P6/mcc |
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atom x y z occ B(1,1) B(2,2) B(3,3) B(1,2) B(1,3) B(2,3) |
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SiT1 .5 .5 .25 .28 .00212 .00213 .00426 .00083 0 0 |
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AlT1 .5 .5 .25 .72 .00212 .00213 .00426 .00083 0 0 |
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SiT2 .3727 .2668 0 .70 .00346 .00363 .00440 .00204 0 0 |
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AlT2 .3727 .2668 0 .30 .00346 .00363 .00440 .00204 0 0 |
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MgM 1/3 2/3 .25 .68 .00478 .00478 .00771 .00239 0 0 |
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FeM 1/3 2/3 .25 .32 .00478 .00478 .00771 .00239 0 0 |
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O1 .4851 .3494 .1445 .00298 .00286 .00632 .00099 -.00079 .00005 |
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O2 .2305 .3093 0 .00793 .00821 .00814 .00649 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 (permalink) |
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Indialite |
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Schwartz K B, Leong D B, McConville R L |
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Physics and Chemistry of Minerals 20 (1994) 563-574 |
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Structural chemistry of synthetic cordierite: evidence for solid solutions |
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and disordered compositional domains in Bi-flux-grown Mg-cordierites |
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Sample: Crystallized from glass at 1050 degrees C for 18 hours |
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Note: tetrahedral site occupancies are assumed, not refined |
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_database_code_amcsd 0007853 |
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9.7815 9.7815 9.3537 90 90 120 P6/mcc |
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atom x y z occ Biso |
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MgM 1/3 2/3 .25 -.14 |
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AlT1 .5 .5 .25 2/3 .09 |
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SiT1 .5 .5 .25 1/3 .09 |
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AlT2 .3766 .2671 0 1/3 .23 |
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SiT2 .3766 .2671 0 2/3 .23 |
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O1 .4885 .3489 .1426 -.28 |
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O2 .2300 .3093 0 1.0 |
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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 (permalink) |
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Indialite |
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Schwartz K B, Leong D B, McConville R L |
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Physics and Chemistry of Minerals 20 (1994) 563-574 |
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Structural chemistry of synthetic cordierite: evidence for solid solutions |
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and disordered compositional domains in Bi-flux-grown Mg-cordierites |
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Sample: Synthesized in 2 at% bismuth oxide flux at 1000 C for 12 hours |
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Note: tetrahedral site occupancies are assumed, not refined |
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_database_code_amcsd 0007855 |
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9.7850 9.7850 9.3495 90 90 120 P6/mcc |
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atom x y z occ Biso |
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MgM 1/3 2/3 .25 1.0 |
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AlT1 .5 .5 .25 2/3 1.6 |
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SiT1 .5 .5 .25 1/3 1.6 |
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AlT2 .3717 .2661 0 1/3 .7 |
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SiT2 .3717 .2661 0 2/3 .7 |
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O1 .48555 .34965 .14431 1.1 |
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O2 .2303 .3086 0 2.5 |
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BiC1 0 0 .25 .107 32 |
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BiC2 0 0 0 .061 17 |
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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 (permalink) |
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