Among the collection assembled by Dr Edward Gübelin are a number of uncommon gemstones from many worldwide localities.
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Four amethyst cabochons are unique due to inclusions that create a trapiche-like appearance.
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G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.
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A 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.
Read MoreFor more than a century, the Four Peaks mine in Maricopa County, Arizona, has produced gem-quality amethyst.
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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A 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.
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.
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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