图书:Jewels of Ancient Nubia(《古努比亚珠宝》) (英语)

Review of Yvonne J. Markowitz and Denise Doxey's Jewels of Ancient Nubia.

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Books: Untamed Encounters: Contemporary Jewelry from Extraordinary Gemstones

Review of Mimi Lipton's Untamed Encounters: Contemporary Jewelry from Extraordinary Gemstones.

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Books: Damiani: Alchemy of Desire

Review of Damiani: Alchemy of Desire.

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Record Prices at Gem Auctions

Auction price records were broken in late 2014 as ultra-wealthy buyers vied for rare, important gemstones.

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筛选小颗黄色米粒钻进行处理与合成 (英语)

Melee diamonds can be efficiently screened for synthesis and treatment using infrared absorption spectroscopy, DiamondView imaging, and microscopy.

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The First Identified Non-Nacreous Beaded Cultured Pearl

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New Deposit of Black Opal from Ethiopia

The Stayish mine in Ethiopia’s Wollo province has been producing black opal since 2013.

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Study of the Blue Moon Diamond

Presents spectroscopic and phosphorescence data of the Blue Moon, a 12.03 ct Fancy Vivid blue diamond discovered at the historic Cullinan mine in early 2014.

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Spinel Inclusion in Spinel

Examination of a pink-purple spinel revealed what appeared to be a spinel crystal inclusion.

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Demantoid from Baluchistan Province in Pakistan

Nine demantoids reportedly from a new deposit in the Khuzdar area in Pakistan’s Baluchistan province were recently examined.

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Gemfields(吉姆费尔德斯)看好宝石市场发展

一家大型的宝石矿业公司寻求改变世界收购和销售优质宝石的方式。

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图书:The Cheapside Hoard: London's Lost Jewels(《奇普赛德宝藏:伦敦遗失的珠宝》)

Hazel Forsyth(黑兹尔·福赛思)所著的“The Cheapside Hoard: London's Lost Jewels”(《奇普赛德宝藏:伦敦遗失的珠宝》)的评论。

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2014 假日季初步评析:需求不均衡

在刚过去的假日季里,美国对钻石与珠宝的需求据估计增长了 3% 到 4%,但业务分布不均衡。

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钻石切工:圆形明亮式钻石剖析图

珠宝商和宝石学家使用一组特定的术语来描述已打磨钻石的各个部分。 形状或比例的某些测量数据最终会影响圆形明亮式钻石的切工等级。

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书籍:Damiani: Alchemy of Desire(《达米亚尼:欲望的炼金术》)

Damiani: Alchemy of Desire(《达米亚尼:欲望的炼金术》)评论。

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参观赞比亚 Kagem(卡棋穆)祖母绿露天矿

加入 GIA 在赞比亚 Kagem(卡棋穆)的祖母绿矿实地团队,了解可能是世界最大的祖母绿矿的相关信息。 这一矿山的开发为有色宝石行业带来彻底性变革。

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美国 季节性购物多样化,远离“黑色星期五”

零售分析师为感恩节后购物量的急剧下降感到困惑不解;网上销售量却强劲增长。

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图书:《Jewels of Ancient Nubia》(《古努比亚珠宝》) | 研究与新闻

Yvonne J. Markowitz(伊冯娜·J.·马科维茨)和 Denise Doxey(丹尼斯·多克塞)的《Jewels of Ancient Nubia》(《古努比亚珠宝》)书评。

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莫桑比克:21 世纪红宝石新发现

和 GIA 一起,前往莫桑比克的蒙特普埃兹红宝石矿场,探寻新世纪发现的最重大的红宝石矿藏。

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发掘马拉维的红宝石和蓝宝石

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