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 ...
WTEN

In ‘Wicked,’ they’re silver. But at Academy Museum color show, the ruby-red shoes take center stage

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. LOS ANGELES (AP) — In the hit movie “Wicked, ...