Rubies and emeralds have the colors they do because, like many substances, they absorb some colors of light. Most visible light, like sunlight, is composed of all the colors of the rainbow: red, ...

Blue Sapphire and Yellow Sapphire are not worn together normally since both stones have incredibly high energy from planets.

Hundreds of vendors from dozens of countries converged in Tucson, Arizona, for the annual Gem and Mineral Show, where the best and most impressive gems, minerals, and fossils turn the past into profit ...

Rubies are mainly made up of the mineral corundum, which is composed of the elements aluminium and oxygen in a regular, repeating array. Each aluminium ion is surrounded by six oxygen ions.

The Righteous Gemstones is returning with Season 4, and fans can expect more drama, comedy, and chaos from the Gemstone family. This season, new actors are joining the show, including Megan Mullally ...

US President Donald Trump has said he wants access to Ukraine’s mineral deposits in exchange for future military aid that Kyiv needs as it continues to defend itself against Russia’s aggression.

Crystal field theory makes predictions about how a transition metal ion’s structure is affected by the other atoms surrounding it. Rubies are mainly made up of the mineral corundum, which is composed ...

Rubies are mainly made up of the mineral corundum, which is composed of the elements aluminum and oxygen in a regular, repeating array. Each aluminum ion is surrounded by six oxygen ions.

A tungsten mining factory in China. The country said it will tighten export curbs for the mineral, plus four others. (China stringer network/Reuters) China said it would tighten export controls ...