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Figure 17
Pr
12
O
22
(beta-1) phase showing the
M
4
tetrahedra with origin D.
© International Union of Crystallography 2013
![[Figure 17]](wf5105fig17mag.jpg)
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M4 tetrahedra with origin D. ![[article HTML]](../../../../../graphics/viewarticleborder.gif)
![[Figure 17]](wf5105fig17.jpg)
M4 tetrahedra with origin D.