Crystal Structure of Phase-X


American Mineralogist (2001) 86, 1483-1488


Common namePhase-X
FormulaAl0.12Mg1.88Na1.78O7Si2
a (Å)4.9827
b (Å)4.9827
c (Å)6.4354
α (°)90
β (°)90
γ (°)120
V (Å3)138.368
Space groupP -3 1 m