Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure

Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure

Source: The Conversation Indonesia

Even though emeralds and rubies are very different colors, they both have the same secret ingredient in their atomic structure.

The colors of rubies and emeralds are so striking that they define shades of red and green – ruby red and emerald green. But have you ever wondered how they get those colors?
I am an inorganic chemist. Researchers in my field work to understand the c… [4123 chars]

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