The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...

Experts Discover Ancient Life Locked Inside a 2.5 Billion-Year-Old Ruby as a Residue In 2021 inside an opulent gemstone, researchers found evidence of ancient life. The gemstone in question was a 2.5 ...

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

Taliban government is rushing to court local and foreign investors to exploit the country's underground wealth and secure a crucial revenue stream.