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Opal was rare and very valuable in antiquity. In Europe, it was a gem prized by royalty. [ 18 ] [ 19 ] Until the opening of vast deposits in Australia in the 19th century the only known source was Červenica beyond the Roman frontier in Slovakia . [ 20 ]
Whether it’s an old China set, a rare vinyl record, or a vintage Rolex, here are 15 valuable heirlooms that are appreciated by collectors and history buffs for their enduring quality, rarity ...
Austrian opaline glass bowl, 1914. Opaline glass is a style of antique glassware that was produced in Europe, particularly 19th-century France.It was originally made by adding materials such as bone ash to lead-crystal, creating a semi-opaque glass with reddish opalescence.
Decorative pedestal milk glass bowl. Milk glass is an opaque or translucent, milk white or colored glass that can be blown or pressed into a wide variety of shapes. First made in Venice in the 16th century, colors include blue, pink, yellow, brown, black, and white.
Opal “One of the most beautiful and magical gemstones, opals have a visual fire inside, often reflecting an entire rainbow of color within their milky-white, bluish-green matrix,” Salzer says.
In fact, as it gets darker around the opal, the opal appears ever more vibrant. The stone's vivid and sparkly nature is in stark contrast to Coober Pedy, Australia where it was discovered.
The five cardinal gems. Clockwise from top: sapphire, ruby, emerald, amethyst, diamond. Cardinal gems are gemstones which have traditionally been considered precious above all others.
Chinese blue and white export porcelain, with European scene and French inscription "The Empire of virtue is established to the end of the Universe", Kangxi period, 1690–1700 Chinese export porcelain includes a wide range of Chinese porcelain that was made (almost) exclusively for export to Europe and later to North America between the 16th ...