Braunite
	de Villiers J P R
	American Mineralogist 65 (1980) 756-765
	The crystal structure of braunite II and its relation to bixbyite and braunite
	Locality: Wessels mine, near Hotazel, South Africa
	_database_code_amcsd 0000788
	9.431 9.431 37.774 90 90 90 *I4_1/acd
	0 -.25 .125
	atom x y z occ U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	Ca 0 .25 .125 0.0044 0.0044 0.0055 -.0003 0 0
	Mn1 0 .25 -.00918 .83 0.0074 0.0103 0.0063 0.0029 0 0
	Fe1 0 .25 -.00918 .17 0.0074 0.0103 0.0063 0.0029 0 0
	Mn2 .2097 0 .25 .83 0.0063 0.0094 0.0074 0 0 0.0025
	Fe2 .2097 0 .25 .17 0.0063 0.0094 0.0074 0 0 0.0025
	Mn3 .2408 .4908 .125 .83 0.0073 0.0073 0.0063 0.0001 -.0005 0.0005
	Fe3 .2408 .4908 .125 .17 0.0073 0.0073 0.0063 0.0001 -.0005 0.0005
	Mn4 .0312 .0006 .06290 .83 0.0057 0.0069 0.0077 0.0007 0.0005 -.0017
	Fe4 .0312 .0006 .06290 .17 0.0057 0.0069 0.0077 0.0007 0.0005 -.0017
	Mn5 -.0096 .0044 .18772 .83 0.0046 0.0060 0.0062 -.0006 -.0002 -.0002
	Fe5 -.0096 .0044 .18772 .17 0.0046 0.0060 0.0062 -.0006 -.0002 -.0002
	Si 0 .25 .375 0.0049 0.0049 0.0057 0 0 0
	O1 .1197 .1715 .0256 0.0108 0.0106 0.0067 0.0030 -.0011 0.0008
	O2 .3314 .4010 .0311 0.0071 0.0076 0.0066 -.0007 0.0012 0.0013
	O3 .3982 .1227 .0412 0.0037 0.0097 0.0112 -.0007 0.0019 0.0044
	O4 .1178 .4071 .0897 0.0057 0.0057 0.0061 -.0013 -.0022 0.0028
	O5 .1701 .1121 .0909 0.0067 0.0083 0.0052 0.0006 -.0012 0.0021
	O6 .3874 .3361 .1004 0.0077 0.0095 0.0064 0.0001 -.0003 -.0003
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