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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=83821 Help
TitleSubsilicic ferrian aluminian diopside from the Chelyabinsk coal basin (Southern Urals) - an unusual clinopyroxene.
AuthorsKabalov, Yu.K.;Oeckler, O.;Sokolova, E.V.;Mironov, A.B.;Chesnokov, B.V.
ReferenceIC&volume=9&fpage=617&details=yes target=icsd_help>European Journal of Mineralogy (1997) 9, 617-621
Link XRef SCOPUS Google
CompoundAl0.6 Ca0.96 Fe0.51 Mg0.44 O6.12 Si1.4 - [Diopside] Iron(III) magnesium calcium catena-ferro(III)alumosilicate * [ABC2X6] [mS40] [f4 e2] []
Cell9.786(2), 8.860(1), 5.338(1), 90., 105.87(1), 90.
C12/C1 (15) V=445.19
RemarksR=0.029000 : D M =Diopside : X
A site occupation is implausible or meaningless but agrees with the paper.
Deviation of the charge sum from zero tolerable.

Atom (site) Oxid. x, y, z, B, Occupancy
Fe1(4e)3
Al1(4e)3
Mg1(4e)2
Ca1(4e)2
Fe2(8f)3
Si1(8f)4
Al2(8f)3
O1(8f)-2
O2(8f)-2
O3(8f)-2
00.090.751.0(0.35
00.090.751.0(0.20
00.090.751.0(0.44
00.690.750.8(0.96
0.210.400.771.0(0.08
0.210.400.771.0(0.70
0.210.400.771.0(0.20
0.390.410.861.2(1.01
0.140.240.640.9(0.99
0.140.480.020.4(1.06

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