AM_Phase-X
Formula:
Na1.78 (Mg1.88 Al.12) Si2 O7
Name:
Phase-X
Unit cell:
4.9827 4.9827 6.4354 90.0 90.0 120.0 , V=138.37
Space group:
P-31M (162)
Yang H , Konzett J , Prewitt C T , American Mineralogist , 86 (2001) p.1483-1488, Crystal structure of phase X, a high pressure alkali-rich hydrous silicate, and its anhydrous equivalent, Sample: JKW42