Photograph of Amethyst under the microscope - Amethyst is the birthstone for February and the Aquarius zodiac sign. The name amethyst derives from the Greek root amethystos, "not intoxicated," which some speculate expresses the ancient folk belief that the stone protects its owner against drunkenness. More likely, the ancient Greeks were probably referring to the wine-like color of some stones.
Photograph of Opal under the microscope- Opal is the birthstone for October and the zodiac sign Libra. Blonde women wore opal necklaces to protect their hair from losing its color. Queen Victoria loved opals and gave them quite often as wedding presents.