An investigation of these Yuruty mine samples revealed an interesting new aspect to this bicoloured quartz.
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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.
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Transparent, bicoloured quartz with the colours of both amethyst and citrine in the same gem is called ametrine or amethyst-citrine.
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