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Scawtite |
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Pluth J J, Smith J V |
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American Mineralogist 58 (1973) 1097-1097 |
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The crystal structure of scawtite |
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Note sample is from Crestmore, California, USA |
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10.118 15.187 6.626 90 100.67 90 I2/m |
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atom x y z occ Biso |
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Ca1 .2121 .1402 .1997 1.00 |
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Ca2 .5 .2495 0 .66 |
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Ca3 .5 .5 0 1.39 |
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Si1 .7729 .3959 .2057 .45 |
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Si2 0 .3232 0 .46 |
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C 0 0 0 1.46 |
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O1 .9025 .3932 .0893 1.13 |
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O2 .0880 .2686 .1838 .89 |
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O3 .6444 .3756 .0322 .84 |
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O4 .6975 .1620 .0911 .74 |
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O5 .7413 0 .2277 .83 |
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Wat6 .3440 0 .2015 1.66 |
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O7 .0114 .0736 .0961 .5 4.04 |
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O8 .0648 0 .1783 .5 1.47 |
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Scawtite |
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Grice J D |
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The Canadian Mineralogist 43 (2005) 1489-1500 |
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The structure of spurrite, tilleyite and scawtite, |
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and relationships to other silicate-carbonate minerals |
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Locality: Scawt Hill, near Larne, County Antrim, Ireland |
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6.631 15.195 10.121 90 100.59 90 Im |
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atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3) |
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Ca1 .20664 .14449 .21917 .0117 .0132 .011 .011 -.0007 .0040 -.0007 |
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Ca1B .80760 .86435 .79532 .0130 .0142 .0103 .0158 .0003 .0062 -.0002 |
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Ca2 .49976 .25090 .00167 .0106 .0118 .0100 .0103 .0003 .0032 .0001 |
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Ca3 .4787 0 -.00451 .0123 .0165 .0099 .0109 0 .0040 0 |
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Si1 .70664 .10401 .27399 .0083 .0084 .0087 .0078 -.0003 .0015 -.0008 |
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Si1B .29443 .10419 .72753 .0084 .00824 .0085 .0084 .0002 .0017 .0008 |
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Si2 -.00006 .32340 .00377 .0088 .0081 .0106 .0079 .0003 .0018 .0005 |
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C .0032 0 -.0065 .0160 .011 .025 .011 0 .0004 0 |
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O1 .9013 .3953 .0939 .0156 .0202 .015 .0147 -.0000 .0101 -.0008 |
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O1B .5857 .1087 .4012 .0163 .0204 .0166 .0149 -.0012 .0112 -.0043 |
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O2 .1865 .2725 .0951 .0126 .0119 .0127 .0125 .0004 .0003 .0022 |
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O2B .8196 .7348 .91781 .0126 .0081 .0157 .0126 .00153 -.0013 .0022 |
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O3 .5344 .8768 .1430 .0122 .0125 .0129 .0096 -.0004 -.0020 .0007 |
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O3B .4714 .8729 .8538 .0122 .0119 .0119 .0123 .0008 .0007 -.0000 |
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O4 .5917 .6614 .2004 .0143 .0114 .0138 .0187 .0035 .0053 .0043 |
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O4B .9100 .8383 .3031 .0143 .0120 .0134 .0178 .0030 .0038 .0038 |
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O5 .2300 0 .7481 .0141 .0159 .0101 .0182 0 .0086 0 |
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O5B .7794 0 .2660 .0136 .0125 .0088 .0205 0 .0058 0 |
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OW6 .2015 0 .3356 .0181 .0151 .0139 .024 0 .0019 0 |
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OW6B .7931 0 .6479 .0196 .018 .018 .022 0 .0014 0 |
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O7 .0937 .0725 .0162 .076 .103 .095 .041 -.085 .044 -.047 |
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O8 .3187 .5 .4332 .0274 .013 .053 .016 0 .0033 0 |
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H61 .061 0 .333 .07 |
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H62 .17 0 .424 .22 |
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H6B1 .719 0 .563 .05 |
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H6B2 .923 0 .633 .05 |
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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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