AM_Orthoclase_2
Formula:
(Si2.98 Al1.02) K O8
Name:
Orthoclase
Unit cell:
8.545 12.967 7.201 90.0 116.0 90.0 , V=717.14
Space group:
C12/M1 (12)
Phillips M W , Ribbe P H , American Mineralogist , 58 (1973) p.263-270, The structures of monoclinic potassium-rich feldspars, Note: variety adularia