Barbertonite
	Mills S J, Whitfield P S, Wilson S A, Woodhouse J N, Dipple G M,
	Raudsepp M, Francis C A
	American Mineralogist 96 (2011) 179-187
	The crystal structure of stichtite, re-examination of barbertonite, and the
	nature of polytypism in MgCr hydrotalcites
	Note: Sample 84588, 2H1 polytype of stichtite
	Locality: Barberton, South Africa
	_database_code_amcsd 0018333
	3.09689 3.09689 15.6193 90 90 120 P6_3/mmc
	atom x y z occ Biso
	Mg 0 0 0 .75 .8
	Cr 0 0 0 .25 .8
	O1 1/3 2/3 .0650 .64
	H1 1/3 2/3 .131 .64
	Wat2 .23 -.23 .25 .204 .64
	CO3 1/3 2/3 .25 .124 .64
	O3 1/3 2/3 .25 .372 .64
	Download AMC data (View Text File) Download CIF data (View Text File) Download diffraction data (View Text File) View JMOL 3-D Structure (permalink)
	Barbertonite
	Mills S J, Whitfield P S, Wilson S A, Woodhouse J N, Dipple G M,
	Raudsepp M, Francis C A
	American Mineralogist 96 (2011) 179-187
	The crystal structure of stichtite, re-examination of barbertonite, and the
	nature of polytypism in MgCr hydrotalcites
	Note: Sample 92459, 2H1 polytype of stichtite
	Locality: Barberton, South Africa
	_database_code_amcsd 0018334
	3.09646 3.09646 15.627 90 90 120 P6_3/mmc
	atom x y z occ Biso
	Mg 0 0 0 .81 1.62
	Cr 0 0 0 .19 1.62
	O1 1/3 2/3 .0589 1.7
	H1 1/3 2/3 -.007 1.7
	Wat2 .23 -.23 .25 .204 1.7
	CO3 1/3 2/3 .25 .097 1.7
	O3 1/3 2/3 .25 .291 1.7
	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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