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全部拍賣 / Ethnographic / Ethiopian Opal / Welo Opal Ring / Cabochon / new- 2.62 g - (1)
Ring Ethiopian Opal / Cabochon / new Set in 925 sterling silver Weight: 2.62 g 10.2 mm x 7.5 mm New and unworn Ring size: U 57 UK P 1/2 US 8.0 Fr 17 Inner diameter: 18.1 mm Opals from Australia have long been known. In recent years, however, a new variety from Ethiopia has been stealing a little of the limelight: the Welo Opal! This stone is translucent and captivates with its characteristic, unique play of light. It was discovered in the Semien Wollo mountain region in northeast Ethiopia. The exact time of the find is not known. Some sources date the introduction of the Welo Opal on the Nairobi market to the year 1993. The discoverer is considered to be chemist Tilahun Yohannes and as early as 1994 geologist Dr. N. Barot reported this gemstone novelty in an article in the ICA Gazette. Mining started slowly; in 1997 only 10 kilograms were mined. The jewelry cutting house Eyaopal from Addis Ababa cut 400 grams from it. In the same year the Welo Opal was presented at the international mineral fair in Sainte-Marie, and a year later Eyaopal showcased 350 cut opals at the Tucson trade fair. Commercial mining began in 2008. A new star among opals was born. Shipping as insured registered mail
估價:$39.24
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估價:
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Two gilded bronze Singha temple lions, Thailand, first half of the 20th century
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估價： $226.53
