The type of stone used for the statue of Khafre ______________ producing a rare optical effect.
A) becomes transparent
B) glows blue
C) is opaque
D) as painted

Question

Quizplus · Accepted Answer

The type of stone used for the statue of Khafre glows blue due to a rare optical effect called Rayleigh scattering. This effect is caused by the stone's crystal structure and how it reacts to sunlight.

The Type of Stone Used for the Statue of Khafre