{"product_id":"pack-of-6-rare-uranium-vaseline-glass-20133","title":"Pack of 6 Rare Uranium Vaseline Glass Swarovski Crystals Faceted Emerald Cut 4x8mm Rare Rectangle Uranium Crystals","description":"\u003cp\u003eDETAILS\u003c\/p\u003e\n\u003cp\u003ePack size - 6 pieces\u003cbr\u003e\nShape - Emerald cut\u003cbr\u003e\nSize - 4x8mm\u003cbr\u003e\nFoil Backing - Gold foil\u003cbr\u003e\nBrand - Swarovski\u003cbr\u003e\nOrigin - Austria\u003c\/p\u003e\n\u003cp\u003eThese crystals are genuine vintage Swarovski crystals from original Swarovski factory packs circa 1940’s - 1970’s.\u003c\/p\u003e\n\u003cp\u003eAbout Uranium Glass - \u003c\/p\u003e\n\u003cp\u003eUranium glass \/ crystals glow a vibrant, bright green under a blacklight \/ UV light.\u003cbr\u003e\nUranium, usually in Oxide Diuranate form was added to a glass mix before melting to result in a beautiful green colour. Naturally Uranium glass in direct sunlight will give of a fluorescent green colour and due to it's glowing properties under UV light Uranium glass has become highly collectible today.\u003cbr\u003e\nUranium can be found in green glass, yellow glass and even white and blue glass although the majority is green.\u003c\/p\u003e\n\u003cp\u003ePlease take a look at my other listings for vintage jewellery and vintage craft and bead supplies.\u003c\/p\u003e\n\u003cp\u003eMaterials: Crystal.\u003c\/p\u003e","brand":"Green Glass Gems","offers":[{"title":"Default Title","offer_id":57115667857740,"sku":null,"price":16.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0816\/8793\/7356\/files\/il_fullxfull.6118134034_b3pd.jpg?v=1774818944","url":"https:\/\/millyoliver.co.uk\/products\/pack-of-6-rare-uranium-vaseline-glass-20133","provider":"Milly Oliver","version":"1.0","type":"link"}