| Crystal system |
Edge lengths |
Angles |
Bravais Lattices |
| Cubic |
a = b = c |
α = β = γ = 90° |
Simple, body centred, face centred |
| Tetragonal |
a = b ≠ c |
α = β = γ = 90° |
Simple, body centred |
| Orthorhombic |
a ≠ b ≠ c |
α = β = γ = 90° |
Simple, body centred, face centred, end face centred |
| Monoclinic |
a ≠ b ≠ c |
α = γ = 90° β ≠ 90° |
Simple, end face centred |
| Hexagonal |
a = b ≠ c |
α = β = 90° γ = 120° |
Simple |
| Rhombohedral |
a = b = c |
α = β = γ ≠ 90° |
Simple |
| Triclinic |
a ≠ b ≠ c |
α ≠ β ≠ γ ≠ 90° |
Simple |
|
