India (India): India is one of the world’s major gem suppliers, rich in diamonds, safire, beril, cordierite, golden emeralds, rubine, various garnets, ametiste, olivines, spinele, and electrical Stone, topaz and opal. China: China is a pearl supplier, and is rich in high-quality olivine, nephrite and sapphire. It also produces aquamarine, Tourmalină, granat, slabstone, turquoise and […]
