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.

Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered structure at the atomic level. When this highly ordered structure extends ...

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? One feature of ...

Steph McGovern speaks out on supporting her hometown and bringing opportunities to the area after she won £125k for ...

Daniel Freedman, University of Wisconsin-Stout (THE CONVERSATION) The colors of rubies and emeralds are so striking that they define shades of red and green – ruby red and emerald green.

Their colours come from the same metal in their atomic structure The colours of rubies and emeralds are so striking that they define shades of red and green – ruby red and emerald green.

Past research has shown that oxygen in the atmosphere may condense with metals and rain down as gemstones such as rubies and sapphires, and a number of strange observations have been reported ...

The colours 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 colours? I am an inorganic ...