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Na18Ca11Si6O14
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| Na18Ca11Si6O14_1 Formula: Si6 Na1.8 Ca1.11 O14 Name: Na1.8Ca1.1Si6O14 Unit cell: 7.903 7.903 4.595 90.0 90.0 120.0 , V=248.54 Space group: P321 (150) |
Gasparik T , Parise J B , Eiben B A , Hriljac J A , American Mineralogist , 80 (1995) p.1269-1276, Stability and structure of a new high-pressure silicate, Na1.8Ca1.1Si6O14, Sample: data collected on an image plate, Note: U(2,3) for Si2, Na/Ca altered to match symmetry constraints.
