Ardennite-(As)
	Donnay G, Allmann R
	Acta Crystallographica B24 (1968) 845-855
	Si3O10 groups in the crystal structure of ardennite
	_database_code_amcsd 0009340
	8.7126 5.8108 18.5214 90 90 90 *Pnmm
	0 .25 .25
	atom x y z occ Biso
	Mn1 .9441 .25 .1554 .765 .95
	Ca1 .9441 .25 .1554 .235 .95
	Mn2 .3956 .75 .1600 .95
	Al1 0 0 0 .62
	Al2 .5 0 0 .76
	Mg .6787 -.0016 .25 .50 .96
	Al .6787 -.0016 .25 .15 .96
	Fe .6787 -.0016 .25 .10 .96
	Cu .6787 -.0016 .25 .03 .96
	Si1 .7641 .75 .0970 .37
	Si2 .2766 .25 .0951 .59
	Si3 .3412 .25 .25 .66
	As .0426 .75 .25 .905 .45
	V .0426 .75 .25 .095 .45
	O1 .1284 .0265 -.0828 .82
	O2 .6241 -.0207 -.0833 .81
	O3 .1127 .25 .0526 .86
	O4 .6169 .75 .0415 1.91
	O5 .9299 -.0068 .25 1.02
	O6 .4431 .0146 .25 1.06
	O7 .6817 .75 .1776 0.19
	O8 .2232 .25 .1805 1.78
	O9 .1540 .75 .1763 .36
	OH1 .1128 .75 .0323 .95
	OH2 .6149 .25 .0356 .35
	OH3 .6973 .25 .1817 .91
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	Ardennite-(As)
	Nagashima M, Armbruster T
	Mineralogical Magazine 74 (2010) 55-71
	Ardennite, tiragalloite and medaite: structural control of (As5+,V5+,Si4+)O4
	tetrahedra in silicates
	Locality: Salm-Chateau, Ardennes, Belgium
	_database_code_amcsd 0019900
	8.7163 5.8131 18.5199 90 90 90 *Pnmm
	0 .25 .25
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	MnA1 .94486 .25 .155325 .790 .01014 .01181 .00971 .00890 0 .00230 0
	CaA1 .94486 .25 .155325 .210 .01014 .01181 .00971 .00890 0 .00230 0
	MnA2 .39566 .75 .159978 .865 .00949 .01232 .00849 .00766 0 -.00129 0
	CaA2 .39566 .75 .159978 .135 .00949 .01232 .00849 .00766 0 -.00129 0
	AlM1 0 0 0 .00570 .0060 .0051 .0060 .00041 .0003 -.00012
	AlM2 .5 0 0 .00698 .0076 .0065 .0068 .00010 .0003 -.00012
	AlM3 .67916 -.00151 .25 .511 .00767 .0100 .0061 .0069 -.00061 0 0
	MgM3 .67916 -.00151 .25 .42 .00767 .0100 .0061 .0069 -.00061 0 0
	CuM3 .67916 -.00151 .25 .035 .00767 .0100 .0061 .0069 -.00061 0 0
	VM3 .67916 -.00151 .25 .034 .00767 .0100 .0061 .0069 -.00061 0 0
	SiT1 .76474 .75 .09695 .00363 .0032 .0047 .0030 0 .00001 0
	SiT2 .27693 .25 .09523 .00626 .0060 .0068 .0059 0 -.00004 0
	SiT3 .34294 .25 .25 .00808 .0096 .0078 .0069 0 0 0
	AsT4 .04243 .75 .25 .833 .00637 .00671 .00574 .00666 0 0 0
	VT4 .04243 .75 .25 .127 .00637 .00671 .00574 .00666 0 0 0
	SiT4 .04243 .75 .25 .04 .00637 .00671 .00574 .00666 0 0 0
	O1 .12881 .02530 -.08282 .00851 .0088 .0085 .0082 -.0008 .0010 -.0007
	O2 .62411 -.01905 -.08292 .00852 .0100 .0079 .0077 .0008 .0017 .0007
	O3 .11086 .25 .05260 .0088 .0071 .0100 .0094 0 -.0008 0
	O4 .61717 .75 .04181 .0084 .0079 .0084 .0091 0 -.0014 0
	O5 .92758 -.0081 .25 .0123 .0128 .0098 .0145 .0021 0 0
	O6 .44487 .0110 .25 .0122 .0150 .0110 .0106 .0018 0 0
	O7 .68104 .75 .17757 .0115 .0113 .0155 .0077 0 .0025 0
	O8 .22317 .25 .18086 .0101 .0115 .0123 .0066 0 .0016 0
	O9 .15183 .75 .17639 .0135 .0118 .0189 .0098 0 .0018 0
	O10 .11259 .75 .03231 .0079 .0077 .0088 .0071 0 -.0007 0
	O11 .61341 .25 .03609 .0080 .0073 .0094 .0075 0 .0000 0
	O12 .69784 .25 .18253 .0125 .0109 .0179 .0086 0 .0005 0
	H10 .126 .75 .0845 .05
	H11 .7188 .25 .018 .05
	H12 .657 .25 .1337 .05
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	Ardennite-(As)
	Nagashima M, Armbruster T
	Mineralogical Magazine 74 (2010) 55-71
	Ardennite, tiragalloite and medaite: structural control of (As5+,V5+,Si4+)O4
	tetrahedra in silicates
	Locality: Vernetto mine, Val Lanzo, Torino, Piedmont, Italy
	_database_code_amcsd 0019901
	8.7452 5.8314 18.5891 90 90 90 *Pnmm
	0 .25 .25
	atom x y z occ Uiso U(1,1) U(2,2) U(3,3) U(1,2) U(1,3) U(2,3)
	MnA1 .94617 .25 .15546 .57 .01326 .0167 .0098 .0133 0 .00391 0
	CaA1 .94617 .25 .15546 .43 .01326 .0167 .0098 .0133 0 .00391 0
	MnA2 .39662 .75 .15995 .80 .01241 .0172 .0079 .0121 0 -.00152 0
	CaA2 .39662 .75 .15995 .20 .01241 .0172 .0079 .0121 0 -.00152 0
	AlM1 0 0 0 .878 .0080 .0084 .0058 .0097 .0003 .0008 .0000
	FeM1 0 0 0 .122 .0080 .0084 .0058 .0097 .0003 .0008 .0000
	AlM2 .5 0 0 .00810 .0088 .0058 .0097 -.0003 .0003 -.0004
	MgM3 .68069 -.00158 .25 .54 .0086 .0109 .0054 .0096 -.0002 0 0
	AlM3 .68069 -.00158 .25 .279 .0086 .0109 .0054 .0096 -.0002 0 0
	MnM3 .68069 -.00158 .25 .181 .0086 .0109 .0054 .0096 -.0002 0 0
	SiT1 .76328 .75 .09619 .00791 .0075 .0070 .0093 0 .0000 0
	SiT2 .27823 .25 .09517 .00858 .0085 .0071 .0102 0 -.0002 0
	SiT3 .34387 .25 .25 .0090 .0109 .0058 .0102 0 0 0
	AsT4 .04264 .75 .25 .730 .00988 .0115 .0057 .0124 0 0 0
	SiT4 .04264 .75 .25 .270 .00988 .0115 .0057 .0124 0 0 0
	O1 .13036 .0263 -.08177 .0103 .0109 .0071 .0129 -.0010 .0015 -.0011
	O2 .62384 -.0193 -.08283 .0102 .0107 .0073 .0125 .0005 .0016 .0001
	O3 .1113 .25 .05398 .0124 .0101 .0148 .0125 0 -.0012 0
	O4 .6163 .75 .04145 .0102 .0099 .0079 .0128 0 -.0017 0
	O5 .9287 -.0117 .25 .0155 .0145 .0089 .0231 .0033 0 0
	O6 .4435 .0122 .25 .0128 .0162 .0068 .0155 .0025 0 0
	O7 .6795 .75 .17642 .0130 .0124 .0145 .0120 0 .0022 0
	O8 .2258 .25 .18087 .0115 .0123 .0122 .0099 0 .0007 0
	O9 .1502 .75 .17743 .0162 .0169 .0163 .0153 0 .0004 0
	O10 .1118 .75 .03336 .0105 .0082 .0106 .0126 0 -.0007 0
	O11 .6139 .25 .03572 .0100 .0081 .0090 .0128 0 .0006 0
	O12 .6979 .25 .18221 .0126 .0127 .0138 .0114 0 .0010 0
	H10 .123 .75 .0857 .05
	H11 .715 .25 .014 .05
	H12 .657 .25 .1332 .05
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