India (India): India is one of the world’s major gem suppliers, rich in diamonds, safir, beril, kordierit, zamrud emas, Rubi, various garnets, batu kecubung, olivines, spinel, and electrical Stone, topaz and opal. Cina: China is a pearl supplier, and is rich in high-quality olivine, nephrite and sapphire. It also produces aquamarine, Turmalin, garnet, slabstone, turquoise and […]
