Rubies and emeralds get their colours from a common metal
Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...
Why are rubies red and emeralds green? Their colors come from the same metal 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 ...
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Why are rubies red, emeralds green?
Emeralds are mainly made up of the mineral beryl, which is made from the elements beryllium, aluminum, silicon and oxygen. Beryl’s crystal structure is more complicated than corundum’s because ...