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CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
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CC=75613	Help
Title	Crystal structure refinements and compositional control of Mn-Mg-Ca ardennites from the Belgian Ardennes, Greece and the Western Alps.
Authors	Pasero, M.;Reinecke, T.;Fransolet, A.-M.
Reference	Neues Jahrbuch fuer Mineralogie. Abhandl (1994) 166, 137-167 Link XRef SCOPUS Google
Compound	H6.1 Al4.4 As0.8 Ca1 Fe0.3 Mg0.9 Mn3.4 O28 Si5.2 - [Ardennite] Manganese calcium aluminium iron(III) magnesium manganese(III) silicate trisilicate arseno(V)silicate hydrate * [AB2C2D2X28] [oP100] [g2 f3 e12 d c b a] []
Cell	8.767(3), 5.846(2), 18.6130(60), 90., 90., 90. PNMMZ (59) V=953.95
Remarks	R=0.069000 : M =Mn : P =41-1391 : =Ardennite :

Atom (site) Oxid.

x, y, z, B, Occupancy

Mn1	(4e)	2
Mn2	(4e)	2
Ca1	(4e)	2
Al1	(4c)	3
Fe1	(4c)	3
Al2	(4d)	3
Mg1	(4f)	2
Al3	(4f)	3
Mn3	(4f)	3
Si1	(4e)	4
Si2	(4e)	4
Si3	(2a)	4
Si4	(2b)	4
As1	(2b)	5
O1	(8g)	-2
O2	(8g)	-2
O3	(4e)	-2
O4	(4e)	-2
O5	(4f)	-2
O6	(4f)	-2
O7	(4e)	-2
O8	(4e)	-2
O9	(4e)	-2
O10	(4e)	-2
O11	(4e)	-2
O12	(4e)	-2
H1	(8g)	1

0.94	0.25	0.15	0.01	1
0.39	0.75	0.15	0.01	0.5
0.39	0.75	0.15	0.01	0.5
0	0	0	0.00	0.85
0	0	0	0.00	0.15
0.5	0	0	0.00	1
0.68	-.00	0.25	0.00	0.45
0.68	-.00	0.25	0.00	0.35
0.68	-.00	0.25	0.00	0.2
0.76	0.75	0.09	0.00	1
0.27	0.25	0.09	0.00	1
0.34	0.25	0.25	0.01	1
0.04	0.75	0.25	0.00	0.2
0.04	0.75	0.25	0.00	0.8
0.13	0.02	-.08	0.01	1
0.62	-.02	-.08	0.00	1
0.11	0.25	0.05	0.01	1
0.61	0.75	0.04	0.00	1
0.92	-.01	0.25	0.01	1
0.44	0.01	0.25	0.00	1
0.68	0.75	0.17	0.01	1
0.22	0.25	0.18	0.00	1
0.15	0.75	0.17	0.01	1
0.11	0.75	0.03	0.00	1
0.61	0.25	0.03	0.00	1
0.69	0.25	0.18	0.01	1
			0	1.52

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