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Gemstone Science
Rainbow Moonstone and the Future of Gemology: H...
Explore the optical phenomena of rainbow moonstone, including adularescence and interference lamellae, and how advanced gemology techniques are reshaping authentication and synthetic production.
Rainbow Moonstone and the Future of Gemology: H...
Explore the optical phenomena of rainbow moonstone, including adularescence and interference lamellae, and how advanced gemology techniques are reshaping authentication and synthetic production.
Hackmanite Identification: Separating Gem Lore ...
Learn the gemological tests to identify genuine hackmanite, including UV exposure, refractive index, specific gravity, and spectroscopy. Debunk myths about color-change sodalite with scientific accuracy.
Hackmanite Identification: Separating Gem Lore ...
Learn the gemological tests to identify genuine hackmanite, including UV exposure, refractive index, specific gravity, and spectroscopy. Debunk myths about color-change sodalite with scientific accuracy.
The Star Sapphire Under the Loupe: A Collector’...
Discover gemological techniques to identify natural star sapphires, spot synthetic Verneuil stones, and unmask glass imitations. Includes practical testing steps for collectors.
The Star Sapphire Under the Loupe: A Collector’...
Discover gemological techniques to identify natural star sapphires, spot synthetic Verneuil stones, and unmask glass imitations. Includes practical testing steps for collectors.
The Fire Opal Enigma: Unraveling the Treatment ...
Discover the fiery debate over fire opal from Mexico—geological origins, mining methods, and the contentious sugar-acid, smoke, and polymer treatments. Expert insights on identifying natural vs. enhanced fire opal and...
The Fire Opal Enigma: Unraveling the Treatment ...
Discover the fiery debate over fire opal from Mexico—geological origins, mining methods, and the contentious sugar-acid, smoke, and polymer treatments. Expert insights on identifying natural vs. enhanced fire opal and...
The Sunstone Controversy: Unraveling Treatment ...
Discover the science of Oregon sunstone formation, heat treatment methods, and the ethical dilemma of disclosure. Learn to identify natural vs treated sunstone with expert gemological insights.
The Sunstone Controversy: Unraveling Treatment ...
Discover the science of Oregon sunstone formation, heat treatment methods, and the ethical dilemma of disclosure. Learn to identify natural vs treated sunstone with expert gemological insights.
The Chrysocolla Conundrum: How to Spot Syntheti...
Expert guide to chrysocolla detection: discover the differences between natural chrysocolla and imitations like dyed howlite, synthetic spinel, and reconstituted resin. Learn refractive index, specific gravity, UV fluorescence, and microscopic...
The Chrysocolla Conundrum: How to Spot Syntheti...
Expert guide to chrysocolla detection: discover the differences between natural chrysocolla and imitations like dyed howlite, synthetic spinel, and reconstituted resin. Learn refractive index, specific gravity, UV fluorescence, and microscopic...