Refractive Index
A measure of how much light slows down and bends when passing through a mineral, calculated as the ratio of light speed in vacuum to speed in the mineral. Values range from about 1.3 for ice to 2.4 for diamond.
A measure of how much light slows down and bends when passing through a mineral, calculated as the ratio of light speed in vacuum to speed in the mineral. Values range from about 1.3 for ice to 2.4 for diamond.