Polychromatism of Crystal

- Aug 19, 2019-

Polychromatism: colorless crystals have no polychromatism.Colored crystals have varying shades of color from weak to strong

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 Innovation: A 4 people designing team has established since 2011, and now we have already cooperated with BMW, AUDI, Volkswagen, T-Mobile and more Global 500s companies.AT124