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1 entry selected.
CC=Collection Code: [AB2X4]=ANX Form: [cF56]=Pearson: [e d a]=Wyckoff Symbol: [Al2MgO4]=Structure Type:
***Click the ANX, Pearson or Wyckoff Symbol to find structures with that symbol***.
CC=31182 Help
TitleThe anorthoclase structures: the effects of temperature and composition.
AuthorsHarlow, G.E.
ReferenceIC&volume=67&fpage=975&details=yes target=icsd_help>American Mineralogist (1982) 67, 975-996
Link XRef SCOPUS Google
CompoundAl1 K0.25 Na0.75 O8 Si3 - [Anorthoclase low] Sodium potassium tecto-alumotrisilicate * [AB4X8] [aP26] [i13] []
Cell8.252(2), 12.936(2), 7.139(1), 92.11(1), 116.32(1), 90.22(1)
C1- (2) V=682.43
RemarksR=0.047000 : P =10-361 : T =296 : M =Anorthoclase low :
At least one temperature factor is implausible or meaningless but agrees with the value given in the paper.
Mean T-O: 1.648, 1.645, 1.639, 1.643

Atom (site) Oxid. x, y, z, B, Occupancy
Al1(4i)3
Si1(4i)4
Al2(4i)3
Si2(4i)4
Al3(4i)3
Si3(4i)4
Al4(4i)3
Si4(4i)4
Na1(4i)1
K1(4i)1
O1(4i)-2
O2(4i)-2
O3(4i)-2
O4(4i)-2
O5(4i)-2
O6(4i)-2
O7(4i)-2
O8(4i)-2
0.000.170.2100.25
0.000.170.2100.75
0.000.810.2200.25
0.000.810.2200.75
0.690.110.3200.25
0.690.110.3200.75
0.690.870.3400.25
0.690.870.3400.75
0.270.000.1300.75
0.270.000.1300.25
0.000.130.9901
0.590.990.2801
0.820.110.2001
0.820.850.2301
0.020.290.2601
0.020.680.2301
0.190.110.3901
0.180.870.4101
Atom (site) Oxid. Beta11, Beta22, Beta33, Beta12, Beta13, Beta23
Al1(4i)3
Si1(4i)4
Al2(4i)3
Si2(4i)4
Al3(4i)3
Si3(4i)4
Al4(4i)3
Si4(4i)4
Na1(4i)1
K1(4i)1
O1(4i)-2
O2(4i)-2
O3(4i)-2
O4(4i)-2
O5(4i)-2
O6(4i)-2
O7(4i)-2
O8(4i)-2
0.000.000.000.000.000.00
0.000.000.000.000.000.00
0.000.000.000.000.000.00
0.000.000.000.000.000.00
0.000.000.000.000.000.00
0.000.000.000.000.000.00
0.000.000.000.000.000.00
0.000.000.000.000.000.00
0.000.000.010.00-.00-.00
0.000.000.010.00-.00-.00
0.010.000.010.000.000.00
0.010.000.010.000.000.00
0.010.000.010.000.000.00
0.010.000.010.000.000.00
0.010.000.010.000.00-.00
0.010.000.010.000.000.00
0.010.000.010.000.000.00
0.010.000.010.000.000.00

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