Australia is the most famous source of opals in the world. The black opals from Lightning Ridge are the most valuable opals ever produced. Journey with us on this expedition to the Australian outback to see how these rugged individuals mine opals and why they chase the rainbow of colour.
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This article takes a look at the rough opal that plays a major role in the Adam Sandler film “Uncut Gems”. What is the real gemmology of opals?
Read MoreThese red, pink and orange hued gems evoke passion and excitement – and are sure-fire accessories for sultry summer days.
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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Chatoyancy, rarely seen in play-of-colour opal, is observed in Ethiopian material.
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Boulder opal in sandstone matrix is seen as beads in Tucson.
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Review of Exotic Gems, Vol. 3: How to Identify, Evaluate, Select and Care for Matrix Opal, Fire Agate, Blue Chalcedony, Rubellite Indicolite, Paraíba and Other Tourmalines, by Renee Newman.
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G&G Brief presents an overview of the content of the Winter 2015 issue of Gems & Gemology.
Read MoreOpals with an unusual purple bodycolour and strong play-of-colour have recently appeared in the market.
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A new opal deposit was discovered in 2008 near the village of Wegel Tena, in the volcanic rocks of Ethiopia’s Wollo Province.
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