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.

His evening at Rubies on Five Points left such an impression that the next morning, Oswalt posted a lengthy Instagram tribute to the venue, calling it “chill, goofy, inclusive, friendly ...

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 ...

Emeralds, rubies, marble, gold and lithium: the resources buried across Afghanistan's rocky landscape are estimated to be worth a trillion dollars, according to US and UN assessments from 2010 and ...

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.

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 ...

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 ...