#15
#C2/c
Example – Jadeite, Na(Al,Fe)Si2O6
http://webmineral.com/data/Jadeite.shtml#.U6SF8fl_t8E
SiO4 – tetrahedra
AlO6 – distorted octahedra
Example – Jadeite, Na(Al,Fe)Si2O6
http://webmineral.com/data/Jadeite.shtml#.U6SF8fl_t8E
SiO4 – tetrahedra
AlO6 – distorted octahedra