Identify the system of crystal structure, if $a = b
eq c\ \ \alpha = \beta = 90{^\circ}$ and $\gamma = 120{^\circ}$.

Question

Identify the system of crystal structure, if $a = b 
eq c\ \ \alpha = \beta = 90{^\circ}$ and $\gamma = 120{^\circ}$.

Dr. Abubacker · Accepted Answer

(c) For hexagonal crystal structure, $a	ext{=}b 
eq c$ and $\alpha = \beta = 90{^\circ}$ but $\gamma = 120{^\circ}$.