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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=28015 Help
TitleCrystal Structure of Eudialite.
AuthorsGolyshev, V.M.;Simonov, V.I.;Belov, N.V.
ReferenceKristallografiya (1971) 16, 93-98
Link XRef SCOPUS Google
CompoundH6 Ca6 Cl2 Fe3 Na12 O72 Si24 Zr3 - [Eudialyte] Hydrogen sodium calcium iron zirconium silicate chloride * [A3B3C6D12X2Y72] [hR128] [c9 b22 a2] []
Cell14.252, 14.252, 30.01799, 90., 90., 120.
R3MH (160) V=5280.37
RemarksR=0.150000 : M =Eudialyte : P =41-1465 :
Calculated density unusual but tolerable.
At least one temperature factor missing in the paper.
The coordinates given in the paper contain an error. The values in the database have been corrected.
Rhombohedral setting: a=12.955, alpha=66.73?
Cl partly replaced by OH, 1.07 wt.% H2O, 1.82 wt:% Cl

Atom (site) Oxid. x, y, z, B, Occupancy
Na1(9b)1
Na2(9b)1
Na3(9b)1
Na4(9b)1
Ca1(18c)2
Fe1(9b)2.689
Zr1(9b)4
Si1(9b)4
Si2(9b)4
Si3(9b)4
Si4(9b)4
Si5(18c)4
Si6(18c)4
O1(9b)-2
O2(9b)-2
O3(9b)-2
O4(9b)-2
O5(9b)-2
O6(9b)-2
O7(18c)-2
O8(18c)-2
O9(18c)-2
O10(18c)-2
O11(9b)-2
O12(9b)-2
O13(18c)-2
O14(18c)-2
O15(9b)-2
O16(9b)-2
O17(9b)-2
O18(9b)-2
Cl1(3a)-1
Cl2(3a)-1
H1(18c)1
0.24-.240.4901
-.220.220.4801
0.11-.110.7201
-.090.090.2801
-.070.330.3301
0.16-.160.3301
-.160.160.1601
-.060.060.0701
0.07-.070.9101
-.120.120.4101
0.12-.120.5901
0.330.270.5701
-.33-.270.4301
-.270.270.4001
0.26-.260.5801
-.090.090.1201
0.09-.090.8601
-.220.220.2801
0.21-.210.7101
0.290.360.3701
-.28-.360.6201
0.280.230.4301
-.28-.230.5601
0.16-.160.4401
-.150.150.5401
0.430.370.5401
-.45-.380.4501
0.15-.150.6301
-.150.150.3601
-.050.050.3901
0.06-.060.5801
000.2301
000.7501
01.

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