Leonhardite
	Baur W H, Joswig W, Fursenko B A, Belitsky I A
	European Journal of Mineralogy 9 (1997) 1173-1182
	Symmetry reduction of the aluminosilicate framework of LAU topology
	by ordering of exchangeable cations: the crystal structure of primary leonhardite
	with a primitive Bravais lattice
	_database_code_amcsd 0006703
	14.556 13.206 7.513 90 110.75 90 P2/a
	atom x y z occ Uiso
	K1 1/4 .56843 0 .795 .0393
	Na11 3/4 .0867 0 .342 .194
	Na12 .6833 .1219 .8918 .139 .030
	Ca1 .51639 .24748 .73635 .638 .0190
	Si11 .48790 .36713 .14686 .962 .0071
	Al11 .48790 .36713 .14686 .038 .0071
	Si12 .48996 .13338 .15051 .968 .0072
	Al12 .48996 .13338 .15051 .032 .0072
	Si21 .32884 .13316 .32172 .971 .0082
	Al21 .32884 .13316 .32172 .029 .0082
	Si22 .32755 .36450 .31796 .969 .0081
	Al22 .32755 .36450 .31796 .031 .0081
	Al11 .38114 .05784 .73368 .954 .0082
	Si11 .38114 .05784 .73368 .046 .0082
	Al12 .38373 .44011 .72875 .952 .0085
	Si12 .38373 .44011 .72875 .048 .0085
	O1 .51440 .25064 .2169 .0156
	O21 .46730 .37487 .9220 .0153
	O22 .46477 .12368 .9246 .0153
	O31 .39297 .12852 .5461 .0165
	O32 .39619 .37078 .5403 .0157
	O41 .39034 .40191 .1883 .0167
	O42 .39638 .09655 .2020 .0174
	O51 .41977 .56544 .7300 .0156
	O52 .58505 .06826 .2692 .0162
	O6 .29354 .24850 .2640 .0168
	O71 .26227 .05763 .7319 .0165
	O72 .26536 .43752 .7307 .0161
	Wat1 .6150 .1213 .6730 .0525
	Wat2 .6336 .3375 .6421 .0503
	Wat3 .6628 .2514 .0273 .0290
	Wat4 3/4 .1932 1/2 .97 .0482
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