Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...

Apparently not, though, as [NightHawkInLight] reveals his trivially easy method for making synthetic rubies. Like their gemstone cousin the sapphire, rubies are just a variety of corundum ...

Scientists introduced atomic defects in spinel using cerium, and voilà! The gemstone became a solid qubit system.

Rubies are mainly made up of the mineral corundum ... You can take delight in the amazing colors of the gemstones, but through chemistry, you can also see how nature creates those colors using ...

Know how gemstones channel planetary energies to enhance well-being, balance life, and overcome challenges through astrology.

The gemstone spinel, known for its vibrant colors resembling gems such as rubies and sapphires, has now been shown to be ...

Its unique “pigeon-blood” stones are the most expensive coloured gems in the world – last year the so-called Sunrise Ruby sold for a record US$30.3 million, over US$1 million a carat.

Gemstones, including rubies, emeralds, and sapphires, can be sold for cash, much the same as diamonds and other jewelry. However, more often than not, those stones have very little resale value ...

The gemstone spinel, known for its vibrant colors resembling gems like rubies and sapphires, has now been shown to be capable ...