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

What gives gemstones colors, or rather ... The intensity of a ruby’s red color can vary based on the concentration of chromium. In fact, the most prized rubies—known as “pigeon’s blood ...

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

Harnessing planetary energies through gemstones and colors can enhance emotional balance and mental clarity. Incorporating specific hues and gemstones like ruby, moonstone, emerald, and sapphire ...