Brannockite
Armbruster T, Oberhansli R
American Mineralogist 73 (1988) 595-600
Crystal chemistry of double-ring silicates: Structures of sugilite and
brannockite
_database_code_amcsd 0001158
10.002 10.002 14.263 90 90 120 P6/mcc
atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K 0 0 .25 .0157 .0157 .0017 .00785 0 0
Sn 1/3 2/3 .25 .0046 .0046 .0045 .0023 0 0
Li .5 .5 .25 .019 .019 .008 .015 0 0
Si .23866 .35649 .39057 .0038 .0041 .0029 .0022 .0006 .0011
O1 .1318 .3977 0 .019 .016 .003 .008 0 0
O2 .2237 .2807 .1342 .0087 .0128 .0134 .0081 .0006 .0004
O3 .1598 .5038 .1726 .0077 .0050 .0072 .0033 -.0013 -.0036
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Brannockite
Armbruster T, Oberhansli R
American Mineralogist 73 (1988) 595-600
Crystal chemistry of double-ring silicates: Structures of sugilite and
brannockite
Sample: small domain
_database_code_amcsd 0001159
10.002 10.002 14.263 90 90 120 P6/mcc
atom x y z U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
K 0 0 .25 .017 .017 .021 .0085 0 0
Sn 1/3 2/3 .25 .0039 .0039 .0090 .00195 0 0
Li .5 .5 .25 .014 .014 .015 .007 0 0
Si .2384 .3564 .3905 .0033 .0036 .0058 .0017 .0006 .0007
O1 .1313 .3971 0 .020 .020 .008 .008 0 0
O2 .2234 .2800 .1351 .007 .011 .016 .007 .0000 -.001
O3 .1592 .5040 .1733 .005 .005 .008 .001 -.001 -.002
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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