Scawtite
Pluth J J, Smith J V
American Mineralogist 58 (1973) 1097-1097
The crystal structure of scawtite
Note sample is from Crestmore, California, USA
_database_code_amcsd 0000391
10.118 15.187 6.626 90 100.67 90 I2/m
atom x y z occ Biso
Ca1 .2121 .1402 .1997 1.00
Ca2 .5 .2495 0 .66
Ca3 .5 .5 0 1.39
Si1 .7729 .3959 .2057 .45
Si2 0 .3232 0 .46
C 0 0 0 1.46
O1 .9025 .3932 .0893 1.13
O2 .0880 .2686 .1838 .89
O3 .6444 .3756 .0322 .84
O4 .6975 .1620 .0911 .74
O5 .7413 0 .2277 .83
Wat6 .3440 0 .2015 1.66
O7 .0114 .0736 .0961 .5 4.04
O8 .0648 0 .1783 .5 1.47
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Scawtite
Grice J D
The Canadian Mineralogist 43 (2005) 1489-1500
The structure of spurrite, tilleyite and scawtite,
and relationships to other silicate-carbonate minerals
Locality: Scawt Hill, near Larne, County Antrim, Ireland
_database_code_amcsd 0006058
6.631 15.195 10.121 90 100.59 90 Im
atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca1 .20664 .14449 .21917 .0117 .0132 .011 .011 -.0007 .0040 -.0007
Ca1B .80760 .86435 .79532 .0130 .0142 .0103 .0158 .0003 .0062 -.0002
Ca2 .49976 .25090 .00167 .0106 .0118 .0100 .0103 .0003 .0032 .0001
Ca3 .4787 0 -.00451 .0123 .0165 .0099 .0109 0 .0040 0
Si1 .70664 .10401 .27399 .0083 .0084 .0087 .0078 -.0003 .0015 -.0008
Si1B .29443 .10419 .72753 .0084 .00824 .0085 .0084 .0002 .0017 .0008
Si2 -.00006 .32340 .00377 .0088 .0081 .0106 .0079 .0003 .0018 .0005
C .0032 0 -.0065 .0160 .011 .025 .011 0 .0004 0
O1 .9013 .3953 .0939 .0156 .0202 .015 .0147 -.0000 .0101 -.0008
O1B .5857 .1087 .4012 .0163 .0204 .0166 .0149 -.0012 .0112 -.0043
O2 .1865 .2725 .0951 .0126 .0119 .0127 .0125 .0004 .0003 .0022
O2B .8196 .7348 .91781 .0126 .0081 .0157 .0126 .00153 -.0013 .0022
O3 .5344 .8768 .1430 .0122 .0125 .0129 .0096 -.0004 -.0020 .0007
O3B .4714 .8729 .8538 .0122 .0119 .0119 .0123 .0008 .0007 -.0000
O4 .5917 .6614 .2004 .0143 .0114 .0138 .0187 .0035 .0053 .0043
O4B .9100 .8383 .3031 .0143 .0120 .0134 .0178 .0030 .0038 .0038
O5 .2300 0 .7481 .0141 .0159 .0101 .0182 0 .0086 0
O5B .7794 0 .2660 .0136 .0125 .0088 .0205 0 .0058 0
OW6 .2015 0 .3356 .0181 .0151 .0139 .024 0 .0019 0
OW6B .7931 0 .6479 .0196 .018 .018 .022 0 .0014 0
O7 .0937 .0725 .0162 .076 .103 .095 .041 -.085 .044 -.047
O8 .3187 .5 .4332 .0274 .013 .053 .016 0 .0033 0
H61 .061 0 .333 .07
H62 .17 0 .424 .22
H6B1 .719 0 .563 .05
H6B2 .923 0 .633 .05
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Scawtite
Zhang L, Fu P, Yang H, Yu K, Zhou Z
Chinese Science Bulletin 37 (1992) 930-934
Crystal structure of Scawtite
Locality: Zoulou iron deposit, Anhui Province, China
_database_code_amcsd 0020470
10.0394 15.1935 6.6344 90 115.645 90 Cm
atom x y z Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
Ca1 .9971 0 .4714 .009 .008 .007 .011 0 .002 0
Ca2 .1970 .1356 .0004 .010 .013 .007 .008 -.001 .002 .000
Ca3 .9908 .2509 .4863 .008 .008 .007 .007 .000 .002 .000
Ca4 .7731 .1447 .9757 .009 .009 .008 .008 .001 .002 .000
Si1 .7187 .1040 .4209 .005 .005 .006 .005 .001 .001 .000
Si2 .4889 .1765 .9845 .006 .005 .008 .005 .000 .002 .000
Si3 .2650 .1042 .5548 .006 .006 .006 .006 -.001 .003 .000
C 0 0 0 .013 .008 .023 .008 0 .002 0
O1 .8491 .1233 .3785 .010 .008 .010 .013 .000 .005 .002
O2 .7268 0 .5009 .012 .020 .006 .010 0 .006 0
O3 .5921 .1087 .1720 .013 .011 .014 .008 .005 -.003 .002
O4 .6896 .1616 .5955 .011 .015 .010 .009 .003 .006 .000
O5 .5750 .2349 .8899 .011 .011 .013 .011 -.002 .006 -.001
O6 .3974 .2274 .0793 .010 .011 .011 .013 .002 .008 .000
O7 .3986 .1046 .7953 .013 .013 .011 .010 -.002 -.001 .000
O8 .2925 .1614 .3796 .012 .016 .012 .008 -.005 .004 .001
O9 .1392 .1270 .6063 .010 .008 .010 .013 .000 .005 -.001
O10 .2448 0 .4689 .010 .016 .006 .007 0 .003 0
O11 .9760 .0722 .0673 .073 .040 .096 .047 .048 -.015 -.047
O12 .0601 0 .8750 .027 .014 .057 .011 0 .006 0
O13 .3451 0 .1331 .017 .019 .014 .023 0 .013 0
O14 .6566 0 .8528 .015 .018 .013 .015 0 .009 0
H13a .2860 0 .205 .081
H13b .4337 0 .2541 .063
H14a .6503 0 .7039 .035
H14b .5649 0 .8321 .033
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