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Flashcards in Crystal System Parameters Deck (9)
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1

Cubic

a = b = c

alpha = beta = gamma = 90°

2

Orthorhombic

a ≠ b ≠ c

alpha = beta = gamma = 90°

3

Monoclinic

a ≠ b ≠ c

alpha = gamma = 90° 

beta ≠ 90° ≠ 120°

4

Triclinic

a ≠ b ≠ c

alpha ≠ beta ≠ gamma ≠ 90° ≠ 120°

5

Tetragonal

a = b ≠ c

alpha = beta = gamma = 90°

6

Hexagonal and Trigonal

a = b ≠ c

alpha = beta = 90°

gamma = 120°

7

Isometric minerals

cubic xtal system

8

Uniaxial minerals

tetragonal

hexagonal/trigonal

9

Biaxial minerals

orthorhombic

monoclinic

triclinic