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Lot 287
Turquoise
7 December 2016, 10:00 PST
Los AngelesSold for US$2,000 inc. premium
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Turquoise
Sleeping Beauty Mine, Globe, Arizona
Although considered a semi-precious stone, in recent years turquoise has become increasingly expensive and rare. The famed Sleeping Beauty mine produced some of the best quality turquoise the world has ever seen--rivaling the mines of Persia. However, turquoise mining there was closed in August 2012, when the owners decided to focus solely on copper mining, a more lucrative activity because of the metal's widespread industrial uses. Turquoise is often found as a secondary mineral in association with copper. The present stone is a classic for this notable American locality. The beauty of the present stone, a fine pear-shaped cabochon of bright and even robin's egg blue color, is revealed by its excellent polish. Weighing approximately 40.22 carats and measuring 33.08 x 20.40 x 11.51mm
Although considered a semi-precious stone, in recent years turquoise has become increasingly expensive and rare. The famed Sleeping Beauty mine produced some of the best quality turquoise the world has ever seen--rivaling the mines of Persia. However, turquoise mining there was closed in August 2012, when the owners decided to focus solely on copper mining, a more lucrative activity because of the metal's widespread industrial uses. Turquoise is often found as a secondary mineral in association with copper. The present stone is a classic for this notable American locality. The beauty of the present stone, a fine pear-shaped cabochon of bright and even robin's egg blue color, is revealed by its excellent polish. Weighing approximately 40.22 carats and measuring 33.08 x 20.40 x 11.51mm

