Malawi has frozen exports of gemstones and precious minerals and stopped issuing new mineral export licences while it reforms the way the sector is administrated, the government said late on Wednesday ...

GIA’s laboratories use advanced instrumentation and research to deliver accurate grading, identification, and origin ...

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

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 ...

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

Since seizing power in August 2021, the Taliban have signed deals with numerous investors to mine gemstones, gold, copper and ...

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

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 ...

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.