Humite
	Ribbe P H, Gibbs G V
	American Mineralogist 56 (1971) 1155-1173
	Crystal structures of the humite minerals: III. Mg/Fe ordering in humite and its
	relation to other ferromagnesian silicates
	_database_code_amcsd 0000250
	4.7408 10.2580 20.8526 90 90 90 Pbnm
	atom x y z occ Biso
	Mg1 .0017 .3773 .1767 .943 .50
	Fe1 .0017 .3773 .1767 .057 .50
	Mg2 .5108 .1540 .25 .943 .50
	Fe2 .5108 .1540 .25 .057 .50
	Mg3 .0087 .0976 .1092 .943 .50
	Fe3 .0087 .0976 .1092 .057 .50
	Mg4 .4925 .8665 .0278 .943 .50
	Fe4 .4925 .8665 .0278 .057 .50
	Si1 .0752 .9691 .25 .27
	Si2 .5765 .2819 .1059 .15
	O11 .7320 .9679 .25 .57
	O12 .2816 .3233 .25 .54
	O13 .2198 .0382 .1882 .47
	O21 .2368 .2827 .1048 .33
	O22 .7805 .9264 .1046 .52
	O23 .7225 .2141 .1686 .49
	O24 .7261 .2087 .0452 .35
	F .2621 .0328 .0357 .5 .59
	OH .2621 .0328 .0357 .5 .59
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