Citation: Yang, H.; Konzett, J.; Prewitt, C. T. (2001). Crystal structure of phase X, a high pressure alkali-rich hydrous silicate and its anhydrous equivalent Sample: JKW56. American Mineralogist, 86, pp. 1483-1488.
Formula: K1.54 Mg1.92 O7 Si2
List type: interleaving
List: 2D
Basis: (1;0;0 0;1;0)
Dimensionality: 2
Formula: K2 (K)
Multiplicity: 1
RCSR Symbol: hcb
Coordination sequences: