Hindiston (Hindiston): India is one of the world’s major gem suppliers, rich in diamonds, safirlar, beryl, cordierite, oltin zumrad, yoqut, various garnets, ametists, olivinlar, shpinatlar, and electrical Stone, topaz and opal. Xitoy: China is a pearl supplier, and is rich in high-quality olivine, nephrite and sapphire. It also produces aquamarine, Turmalin, garnet, slabstone, turquoise and […]
