Summary of the Seven Crystal Systems


Crystal
System
Type of Unit Cell Axes Axial Angles Models
Cubic Simple, Face-Centered, Body-Centered a=b=c

Tetragonal Simple, Body-Centered
Orthorhombic Simple, Base-Centered, Body-Centered, Face-Centered
Rhombohedral Simple a=b=c
Hexagonal Simple
Monoclinic Simple, Base-Centered
Triclinic Simple