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Gemstone Science
Pigeon Blood Ruby Showdown: How the Gemological...
Learn the scientific techniques gemologists use to distinguish natural pigeon blood ruby from flame fusion, flux, hydrothermal synthetics and imitations like garnet. Inclusions, UV fluorescence, EDXRF, and practical field testing...
Pigeon Blood Ruby Showdown: How the Gemological...
Learn the scientific techniques gemologists use to distinguish natural pigeon blood ruby from flame fusion, flux, hydrothermal synthetics and imitations like garnet. Inclusions, UV fluorescence, EDXRF, and practical field testing...
The Science of Sugilite Treatment: A Geologist’...
Dive into the gemological science of sugilite treatment—fracture filling, dyeing, stabilization, and heat methods. Learn detection techniques for ethical sourcing and valuation.
The Science of Sugilite Treatment: A Geologist’...
Dive into the gemological science of sugilite treatment—fracture filling, dyeing, stabilization, and heat methods. Learn detection techniques for ethical sourcing and valuation.
Natural Pearl Identification: A Visual Guide to...
Master the art of natural pearl identification with this visual guide. Learn to distinguish natural pearls from cultured and imitation pearls using luster, flame structure, surface texture, and growth lines....
Natural Pearl Identification: A Visual Guide to...
Master the art of natural pearl identification with this visual guide. Learn to distinguish natural pearls from cultured and imitation pearls using luster, flame structure, surface texture, and growth lines....
The Truth About Watermelon Tourmaline Formation...
Learn the geological secrets behind watermelon tourmaline's color zoning, how to identify genuine stones vs. treatments, and expert buying tips for origin, cut, and value. Essential for collectors and investors.
The Truth About Watermelon Tourmaline Formation...
Learn the geological secrets behind watermelon tourmaline's color zoning, how to identify genuine stones vs. treatments, and expert buying tips for origin, cut, and value. Essential for collectors and investors.
Star Sapphire Deposits: A Geologist's Guide to ...
A geologist's guide to star sapphire deposits: formation in metamorphic rocks, rutile exsolution for asterism, alluvial mining methods, and major sources like Sri Lanka, Myanmar, and Australia.
Star Sapphire Deposits: A Geologist's Guide to ...
A geologist's guide to star sapphire deposits: formation in metamorphic rocks, rutile exsolution for asterism, alluvial mining methods, and major sources like Sri Lanka, Myanmar, and Australia.
How to Identify Genuine Hackmanite: A Step-by-S...
Identify authentic hackmanite with this comprehensive step-by-step guide. Learn UV tenebrescence testing, refractive index measurement, specific gravity analysis, fluorescence patterns, and inclusion microscopy to distinguish it from imitations. Perfect for...
How to Identify Genuine Hackmanite: A Step-by-S...
Identify authentic hackmanite with this comprehensive step-by-step guide. Learn UV tenebrescence testing, refractive index measurement, specific gravity analysis, fluorescence patterns, and inclusion microscopy to distinguish it from imitations. Perfect for...