Fluoro-eckermannite
	Oberti R, Hawthorne F C, Camara F, Raudsepp M
	American Mineralogist 84 (1999) 102-111
	Unusual M3+ cations in synthetic amphiboles with nominal fluoro-eckermannite
	composition: Deviations from stoichiometry and structural effects of the
	cummingtonite component
	Sample: Al, Na.98Na1.10Mg.90Mg4.88Al.12Si8O22F2
	_database_code_amcsd 0002055
	9.668 17.916 5.271 90 102.82 90 C2/m
	atom x y z occ Biso
	Si(1) .2842 .0848 .2830 .57
	Si(2) .2922 .1706 .7872 .67
	Mg(1) 0 .0887 .5 .69
	Mg(2) 0 .1793 0 .94 .89
	Al(2) 0 .1793 0 .06 .89
	Mg(3) 0 0 0 .66
	Na(4) 0 .2638 .5 .56 1.83
	Mg(4) 0 .2638 .5 .44 1.83
	NaA 0 .5 0 .29 3.11
	NaA(m) .0464 .5 .1122 .35 2.67
	O1 .1143 .0847 .2140 .78
	O2 .1208 .1698 .7216 .86
	F3 .1045 0 .7074 .79
	O4 .3683 .2488 .7836 1.56
	O5 .3505 .1277 .0674 1.80
	O6 .3473 .1194 .5681 2.20
	O7 .3454 0 .2837 1.19
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)

Download in: Amc Format Cif Format Diffraction data

Multiple datasets can be concatenated into a single downloadable file by selecting the datasets and then clicking

Multiple datasets can be downloaded as individual files inside a ZIP archive by selecting the datasets and then clicking