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Large Synthetic Moissanite with Silicon Carbide Polytypes

Examination of the properties of a synthetic moissanite specimen submitted as a black diamond.

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Sapphire Series Part 4: Gem Synthetic Sapphire and Diffusion-Treated Synthetics

From the series, "Sapphire: A Crystal With Many Facets," this article explores how an increase in synthetic sapphire technical applications has affected the synthetic gem industry.

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Article
Sapphire Series Part 2: The Next Generation of Sapphire Crystal Growth Techniques

The second in the series, "Sapphire: A Crystal With Many Facets," this article looks at several advanced growth techniques.

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CVD-Grown Synthetic Diamonds, Part 3: Detection

This article provides a brief overview of methods for detecting CVD-grown synthetic diamonds.

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Large Pinkish Brown CVD Synthetic Diamond

Report on the analysis of an unusually large CVD synthetic diamond, unique in that its Faint to Light pinkish brown color doesn’t appear to be the result of post-growth treatment.

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Phosphorescence in Synthetic Sapphire

Rare phosphorescence was observed in a synthetic sapphire, which had unusual properties not indicative of a particular growth method.

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CVD-Grown Pink Diamonds

An examination of seven CVD synthetic diamonds with an attractive pink color.

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Decades-Old Synthetic Alexandrite Sheds Light on Modern-Day Research Needs

An overview and commentary on the 2012 Journal of Gemmology article, “Flux-grown synthetic alexandrites from Creative Crystals Inc.”

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Sapphire Series Part 3: Modern Synthetic Sapphire Applications

The third in the series, "Sapphire: A Crystal With Many Facets," this article looks at various emerging applications for synthetic sapphire.

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Article
Synthetic Diamonds: Improved Quality and Identification Challenges

Identification challenges related to Chemical Vapor Deposition (CVD) synthetic diamonds

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