Columbite-(Mn)
	Tarantino S C, Zema M
	American Mineralogist 90 (2005) 1291-1300
	Mixing and ordering behavior in manganocolumbite-ferrocolumbite solid solution:
	A single-crystal X-ray diffraction study
	Sample: KRA n4 Qm=0.844 from Kragero, Norway
	Sample: Annealed at T = 600 C for t = 177 h
	Note: Occupancies calculated assuming complete Fe/Mn disorder
	_database_code_amcsd 0003864
	14.352 5.740 5.090 90 90 90 Pbcn
	atom x y z occ Uiso
	MnA 0 .32096 .25 .701 .0091
	FeA 0 .32096 .25 .126 .0091
	NbA 0 .32096 .25 .061 .0091
	TaA 0 .32096 .25 .039 .0091
	TiA 0 .32096 .25 .030 .0091
	CaA 0 .32096 .25 .009 .0091
	NbB .16331 .17850 .74029 .857 .0069
	TaB .16331 .17850 .74029 .069 .0069
	MnB .16331 .17850 .74029 .042 .0069
	FeB .16331 .17850 .74029 .007 .0069
	TiB .16331 .17850 .74029 .001 .0069
	O1 .0970 .1019 .0603 .0127
	O2 .4187 .1151 .0942 .0120
	O3 .7564 .1239 .0890 .0098
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