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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=95387
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Title
Average and local structure in P21/c clinopyroxenes along the join diopside - enstatite (Ca Mg Si2 O6 - Mg2 Si2 O6).
Authors
Tribaudino, M.;Nestola, F.
Reference
IC&volume=14&fpage=549&details=yes target=icsd_help>European Journal of Mineralogy (2002)
14
, 549-555
Link
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Compound
Ca0.15 Mg1.85 O6 Si2
-
[Diopside-enstatite solution]
Calcium magnesium catena-disilicate (0.15/1.85/1)
[
ABX3
] [
mP40
] [
e10
] [
]
Cell
9.654(2), 8.845(3), 5.203(1), 90, 108.37(1), 90
P121/C1 (14)
V=421.64
Remarks
R=0.045000 : M =Diopside-enstatite solution :
The paper reports the temperature factors in a non-standard way and they are not included in the entry.
Atom (site) Oxid.
x, y, z, B, Occupancy
Ca1
(4e)
2
Mg1
(4e)
2
Mg2
(4e)
2
Si1
(4e)
4
Si2
(4e)
4
O1
(4e)
-2
O2
(4e)
-2
O3
(4e)
-2
O4
(4e)
-2
O5
(4e)
-2
O6
(4e)
-2
0.25
0.01
0.22
0.94
0.15
0.25
0.01
0.22
0.94
0.85
0.25
0.65
0.22
0.49
1
0.04
0.34
0.28
0.39
1
0.55
0.83
0.23
0.41
1
0.86
0.33
0.17
0.46
1
0.12
0.50
0.32
0.57
1
0.10
0.27
0.60
0.74
1
0.37
0.83
0.12
0.51
1
0.63
0.98
0.38
0.83
1
0.60
0.70
0.46
0.73
1
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