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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=95355 Help
TitleSingle-crystal structure refinements and crystal chemistry of synthetic trioctahedral micas K M3 (Al(3+), Si(3+))4 O10 (O H)2, where M = Ni(2+), Mg(2+), Co(2+), Fe(2+) or Al(3+).
AuthorsRedhammer, G.J.;Roth, G.
ReferenceIC&volume=87&fpage=146&details=yes target=icsd_help>American Mineralogist (2002) 87, 146-147
Link XRef SCOPUS Google
CompoundH2 Al2.822 Fe2.178 K1 O12 Si2 - [Siderophyllite 1M] Potassium iron aluminium phyllo-dialumodisilicate hydroxide (1/2.18/0.82/1/2) [AB3C4X12] [mS44] [j3 i2 h d a] []
Cell5.3649(23), 9.2892(28), 10.2698(45), 90, 100.242(51), 90
C12/M1 (12) V=503.65
RemarksR=0.025700 : M =Siderophyllite 1M :

Atom (site) Oxid. x, y, z, B, Occupancy
Si1(8j)4
Al1(8j)3
Fe1(2d)2.082
Al2(2d)3
Fe2(4h)2.082
Al3(4h)3
K1(2a)1
O1(8j)-2
O2(4i)-2
O3(8j)-2
O4(4i)-2
H1(4i)1
0.570.160.220.580.5
0.570.160.220.580.5
0.0.50.50.500.79
0.0.50.50.500.20
0.0.830.50.490.69
0.0.830.50.490.30
0.0.0.2.141
0.830.220.171.521
0.490.0.171.511
0.630.160.391.171
0.120.0.391.391.
0.100.0.302.351
Atom (site) Oxid. U11, U22, U33, U12, U13, U23
Si1(8j)4
Al1(8j)3
Fe1(2d)2.082
Al2(2d)3
Fe2(4h)2.082
Al3(4h)3
K1(2a)1
O1(8j)-2
O2(4i)-2
O3(8j)-2
O4(4i)-2
H1(4i)1
0.000.000.00-0.00.00-0.0
0.000.000.00-0.00.00-0.0
0.000.000.000.0.000.
0.000.000.000.0.000.
0.000.000.000.0.000.
0.000.000.000.0.000.
0.030.020.020.0.000.
0.010.020.01-0.00.00-0.0
0.020.010.010.-0.00.
0.010.010.000.000.000.00
0.010.020.000.0.000.
000000

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