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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=100557 Help
TitleCrystal structure and composition of Sanidine and High Albite in cryptoperthitic intergrowth.
AuthorsKeefer, K.D.;Brown, G.E.
ReferenceIC&volume=63&fpage=126&details=yes target=icsd_help>American Mineralogist (1978) 63, 126-127
Link XRef SCOPUS Google
CompoundAl1 K0.65 Na0.35 O8 Si3 - [Sanidine] Potassium sodium tecto-alumotrisilicate * [AB4X8] [mS52] [j5 i2 g] []
Cell8.558(1), 12.997(1), 7.179(1), 90., 116.07(1), 90.
C12/M1 (12) V=717.27
RemarksR=0.029000 : P =25-618 : M =Sanidine :
Calculated density unusual but tolerable.
PDF 25-618, T-O: 1.651, 1.638, strained cell because of intergr

Atom (site) Oxid. x, y, z, B, Occupancy
K1(4i)1
Na1(4i)1
Si1(8j)4
Al1(8j)3
Si2(8j)4
Al2(8j)3
O1(4g)-2
O2(4i)-2
O3(8j)-2
O4(8j)-2
O5(8j)-2
0.2800.1300.65
0.2800.1300.35
0.000.180.2200.73
0.000.180.2200.27
0.700.110.3400.77
0.700.110.3400.23
00.14001
0.6300.2801
0.820.140.2201
0.030.300.2501
0.180.120.4001
Atom (site) Oxid. Beta11, Beta22, Beta33, Beta12, Beta13, Beta23
K1(4i)1
Na1(4i)1
Si1(8j)4
Al1(8j)3
Si2(8j)4
Al2(8j)3
O1(4g)-2
O2(4i)-2
O3(8j)-2
O4(8j)-2
O5(8j)-2
0.000.000.0100.000
0.000.000.0100.000
0.000.000.00-.000.00-.00
0.000.000.00-.000.00-.00
0.000.000.00-.000.000.00
0.000.000.00-.000.000.00
0.010.000.0000.000
0.000.000.0100.000
0.000.000.01-.000.000.00
0.000.000.00-.000.00-.00
0.000.000.000.000.000.00

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