7 Crystalline Structures

Question 1

Which crystal system(s) listed below has (have) the following relationship for the unit cell edge lengths?

a = b ≠ c

Answer 1

Hexagonal and Tetragonal

Question 2

Which crystal system(s) listed below has (have) the following interaxial angle relationship?

α = β = γ = 90°

Answer 2

Cubic, Tetragonal and Orthorhombic

Question 3

Which crystal system(s) listed below has (have) the following relationship for the unit cell edge lengths?
a ≠ b ≠ c

Answer 3

Triclinic, monoclinic and orthorhombic

Question 4

Which crystal system(s) listed below has (have) the following interaxial angle relationship?

γ = 120°

Answer 4

Hexagonal

Question 5

Which crystal system(s) listed below has (have) the following interaxial angle relationship?

α = γ = 90° ≠ β

Answer 5

monoclinic

Question 6

Which crystal system(s) listed below has (have) the following interaxial angle relationship?

α = γ = β ≠ 90°

Answer 6

Rhombohedral