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Spinel
The Black Prince's Ruby. The Timur Ruby. For centuries, spinel, the great imposter, masqueraded as ruby in Europe's crown jewels.
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Spring 2002 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
Spring 2002 G&G; Lab Notes
This section, from the Spring 2002 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Spinel Care and Cleaning Guide
Learn about spinel's durability and how to care for your spinel jewelry.
Abstracts; Summer 1991
From the Summer 1991 issue of Gems & Gemology, a summary of important gemology-related articles published in other journals.
Spring 2003 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
Spring 2006 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
Spring 2009 G&G; Lab Notes
This section, from the Spring 2009 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
GIA's Gübelin Gem Project: Spinel
Found in nearly every color – most notably red, pink and blue – spinels are popular gemstones because of their abundance, moderate cost and attractiveness.
Gray “Spinel Sisters”
Two rare gray spinel stones stand out at the AGTA show for their exceptional size, quality, and color.
Gemstones of Pakistan: Emerald, Ruby, and Spinel
This article reports on three gem materials currently being mined in Pakistan.
Winter 2011 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
