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Gem-quality peridot is occasionally found as mantle xenoliths within basalts near Pozzomaggiore.
Read MoreMarketed throughout the world, San Carlos material is often confused with, and sold as, peridot from localities that are better known and documented.
Read MoreA compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewellery manufacturing techniques and industry trends.
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