和 GIA 实地宝石学家一起寻找世界上色彩最鲜艳的蓝色尖晶石

和 GIA 的实地宝石学家一起寻找越南充满异域风情的天蓝色尖晶石。

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罕见的历代俄罗斯王室徽章和皇冠珠宝目录

壮观的罗曼诺夫王朝宝石与珠宝收藏记录在《俄罗斯钻石和宝石珍藏》中,该书是少数尚存的记录皇室珠宝的目录之一。

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Lightning Ridge(闪电山脊):全球优质黑蛋白石之都

Lightning Ridge(闪电山脊)是全球优质黑蛋白石之都,这种蛋白石是人们最梦寐以求的一种。 2015 年 6 月,一群 GIA 实地宝石学家参观了澳大利亚新南威尔士的这个传奇小镇。 和我们一起探索这个重要的蛋白石产地吧。

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Designer’s Inventive, ‘Outrageous’ Jewelry Wins Industry Awards

Emerging artist Trishala Ashok – who has won multiple design awards – looks beyond the mundane and minutiae of daily life to create her jewelry.

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蒙大纳州岩溪蓝宝石:矿业新时代的开始

与 GIA 实地考察队一同参观蒙大纳州岩溪蓝宝石矿业地区,见证直接从产地采收的精美宝石。

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Australian Opal Beads with Blue Play-of-Color

Boulder opal in sandstone matrix is seen as beads in Tucson.

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Steam-Dyed Amber

Testing identifies a new treatment method as the cause of color in beeswax amber.

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Garnet Inclusion Illusion

A quartz double cabochon showcases a garnet placed to imitate an inclusion.

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The Challenges of Cutting a Large Gem Opal Rough (英语)

A first-person account of cutting a 3,019 ct piece of white opal to create a 1,040 ct gem with play-of-color across the surface.

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俄罗斯宝石打造的法贝热哥萨克人像 (英语)

Hardstone figures of two Russian imperial bodyguards, commissioned in 1912 by Nicholas II, demonstrate the House of Fabergé’s meticulous detail and craftsmanship.

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Robotic Colored Stone Cutting Machines

Master cutter Kiwon Jang demonstrates his newest cutting machine at Tucson’s AGTA show.

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Quarterly Crystal: Triplite in Topaz

The first triplite inclusion in a topaz host is examined.

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Metallic Chromium Inclusions in Industrial By-Product Ruby

Inclusions in technogenic ruby slag help to separate this material from other specimens, both natural and synthetic.

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Natural Blisters with Partially Filled Areas

Blisters examined in the Bangkok lab have been treated with an artificial filler.

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Iridescent Spondylus Pearl

Iridescence is seen in a porcelaneous pearl examined at the Carlsbad laboratory.

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跟随 Rainier(雷尼尔)的步伐:契沃尔祖母绿矿之旅 (英语)

Chronicles the famed emerald source through the adventures of Peter W. Rainier, who directed the mine from 1926 to 1931 and restored its former glory.

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The Color of Responsibility: Ethical Issues and Solutions in Colored Gemstones (英语)

Examines the challenges of ethical sourcing and production of colored stones, and what some industry leaders are doing to address the situation.

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Multiphase Fluid Inclusions in Blue Sapphires from the Ilmen Mountains, Southern Urals

Sapphires from Russia’s Ilmen State Reserve may provide insight into gem corundum from secondary placers.

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Inclusions in Burmese Amber

Examples of Burmese amber specimens with well-preserved inclusions that have become available in recent years.

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The Fluid Art of Angela Conty

Angela Conty exhibits and discusses her work at the 2016 Tucson gem shows.

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