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 compounds ...

Rubies are rare gems that are a form of corundum. People associate rubies with the color red, but depending on their exact elemental content, rubies may appear pink, as well. Gemstone Education ...

Crystals can be made artificially but a lot of energy is used to melt the ingredients together, and this can make them expensive. This problem can be overcome by using appropriate solvents. Called the ...

Learn about the timeless beauty of rubies and styling tips as well as care advice to maintain the brilliance of your rubies. The colour of life’s blood, rubies symbolize a burning fire within that ...

While analyzing some of the world's oldest colored gemstones, researchers discovered carbon residue that was once ancient life, encased in a 2.5 billion-year-old ruby. While analyzing some of the ...

The gems are second only to colored diamonds in value, but their troubled provenance has made them an anathema to many. By Nazanin Lankarani Myanmar, formerly known as Burma, has long been a producer ...