For a crystal system $a = b = c$ and $\alpha = \beta = \gamma
eq 90{^\circ}$

Question

For a crystal system $a = b = c$ and $\alpha = \beta = \gamma 
eq 90{^\circ}$

Dr. Abubacker · Accepted Answer

(c)
[table] Crystal system | Axial distances | Axial angle ; Tetragonal | $a = b 
eq c$ | $\alpha = \beta = \gamma = 90{^\circ}$ ; Hexagonal | $a = b 
eq c$ | $\alpha 
eq \beta = 90{^\circ},\ \gamma = 120{^\circ}$ ; Rhombohedral | $a = b = c$ | $\alpha = \beta = \gamma 
eq 90{^\circ}$ ; Monoclinic | $a 
eq b 
eq c$ | $\alpha = \gamma = 90,\ \beta 
eq 90{^\circ}$ [/table]

Q. For a crystal system $a = b = c$ and $\alpha = \beta = \gamma \neq 90{^\circ}$

Explanation

Reviewed by Dr. Abubacker

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