Question

why do diamond sparkle more than glass? ​

Answer 1

Answer:

On comparing the refractive index of the diamond and glass we find that the refractive index of the diamond is more than that of the glass. ... Thus, due to this reason of more total internal reflection of the diamond than the glass the diamond shines more than a glass piece cut to the same shape.

Answer 2

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Diamond sparkle more than glass because diamond have more shine than the glass. Diamond have higher reflexive index.

HoPe this helps ❤️