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Showing 26 results for "chameleon diamonds"
Star of the South: A Historic 128 Ct Diamond

This article presents the first complete gemmological characterisation of the historic 128.48 ct Brazilian diamond known as the Star of the South.

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Discovery and Mining of the Argyle Diamond Deposit, Australia

Australia’s Argyle mine has set records for volume since its establishment in 1983, and is additionally noted for its rare pink diamonds.

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The Changma Diamond District, Mengyin, Shandong Province, China

One of China's most important discoveries to date is the Changma kimberlite district in Shandong Province.

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Hydrogen-rich Diamonds
Grey-To-Blue-To-Violet Hydrogen-Rich Diamonds from the Argyle Mine, Australia

The Argyle diamond mine is the only known source of type IaB hydrogen- and nitrogen-rich diamonds coloured grey to blue to violet.

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Diamonds protrude from broken eclogite xenolith
Age, Origin and Emplacement of Diamonds: Scientific Advances in the Last Decade

Although certain concepts about the age and formation of diamonds have been known for some time, this overview of advances over the decade leading up to the early 1990s have expanded the scientific understanding of this fascinating topic exponentially.

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Fall 2016 Gems & Gemology Cover
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Autumn 2016 G&G: CVD Synthetic Diamonds Survey, Reversible Colour Change in Blue Zircon

A summary of the content found in the Autumn 2016 issue of Gems & Gemology.

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Winter 1985 G&G Book Reviews

“Gem Cutting: A Lapidary's Manual”; “Jade for You: Value Guide to Fine-Quality Jade”; “Gems and Jewels: A Connoisseur's Guide”; “Manual of Mineralogy (After James D. Dana)”; “The Barakat Gallery: A Catalogue of the Collection”; “Benitoite: California State Gemstone”; “Diamonds from India”; “The Magic of Indian Diamonds”; “Mountain of Light”

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Autumn 2002 G&G Book Reviews

“From Mine to Mistress: Corporate Strategies and Government Policies in the International Diamond Industry”; “Light & Stone: Highlights from the Scott Gem Collection”; “Gemstones Quality and Value, Volume 2”; “Murzinka: Alabashka Pegmatite Field”; “Gemstones and Other Unique Minerals and Rocks of Wyoming: A Field Guide for Collectors”

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Summer 2010 G&G book reviews

“American Luxury: Jewels from the House of Tiffany”; “Gemstones”; “Diamonds: The Quest from Solid Rock”; “Schiffer Earth Science Monographs”; “Minéraux Remarquables”

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Fall 2011 G&G Book Reviews

“Living Jewels: Masterpieces from Nature”; “The Extraordinary World of Diamonds”; “The Workbench Guide to Jewelry”; “World Hallmarks, Volume I, 2nd ed.”; “Mineral Treasures of the World”

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