Refractive Index
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Definition
A numerical value expressing how much a gemstone bends light as it passes through the stone, calculated as the ratio of the speed of light in a vacuum to the speed of light in the gem.
Detailed Explanation
Valor numérico que expressa o quanto uma gema dobra a luz ao passar por ela, calculado como a razão entre a velocidade da luz no vácuo e a velocidade da luz na gema.