AM_Na(Mg05Si05)Si2O6 Formula: Mg Si5 Na2 O12 Name: Na(Mg0.5Si0.5)Si2O6 Unit cell: 9.418 8.647 5.274 90.0 108.13 90.0 , V=408.18 Space group: P12/N1 (13)

Angel R J , Gasparik T , Ross N L , Finger L W , Prewitt C T , Hazen R M , Nature , 335 (1988) p.156-158, A silica-rich sodium pyroxene phase with six-coordinated silicon, Locality: synthetic