The Signs As Gemstones

Aries: Onyx
Taurus: Jade
Gemini: Emerald
Cancer: Pearl
Leo: Lapis Lazuli
Virgo: Peridot
Libra: Opal
Scorpio: Sapphire
Sagittarius: Ruby
Capricorn: Turquoise
Aquarius: Amethyst
Pisces: Moonstone