Indien (Indien): India is one of the world’s major gem suppliers, rich in diamonds, safirer, beryl, cordierit, gyldne smaragder, Rubiner, various garnets, ametyster, oliven, spineller, and electrical Stone, topaz and opal. Kina: China is a pearl supplier, and is rich in high-quality olivine, nephrite and sapphire. It also produces aquamarine, Tourmaline, granat, slabstone, turquoise and [...]
