Indien (Indien): India is one of the world’s major gem suppliers, rik på diamanter, safirer, beryl, kordierit, gyllene smaragder, rubiner, various garnets, ametister, oliviner, spineller, and electrical Stone, topaz and opal. Porslin: China is a pearl supplier, and is rich in high-quality olivine, nephrite and sapphire. It also produces aquamarine, turmalin, granat, slabstone, turquoise and […]
