What gives gemstones colors, or rather, what changes the way they absorb and reflect light so that they come out in so many different, striking colors? Ironically enough, in gemstones, color is ...

The ruby’s color is a great complement to neutral colors ... Rubies are luxurious, stunning gemstones that look wonderful ...

Rubies are formed of a mineral called ... The color comes from additional traces of chromium and vanadium. Different trace elements can produce other colors, allowing beryl to form semiprecious ...