For example, liquid water droplets have a refractive index of 8, while ice crystals have a refractive index of only 1.8.
(liquid water droplets; have; a refractive index of 8) (ice crystals; have; a refractive index of only 1.8)
liquid water droplets ice crystals
have have
a refractive index of 8
a refractive index of only 1.8