Gemstone Science

Carnelian Heat Treatment: Separating Fact from Fiction in the Modern Gem Market

Carnelian Heat Treatment: Separating Fact from ...

Discover the truth about carnelian heat treatment: how it works, its impact on value, and how to identify treated stones. Essential for gem buyers and collectors.

Carnelian Heat Treatment: Separating Fact from ...

Discover the truth about carnelian heat treatment: how it works, its impact on value, and how to identify treated stones. Essential for gem buyers and collectors.

The Kunzite Conundrum: A Case Study in Synthetic and Imitation Detection

The Kunzite Conundrum: A Case Study in Syntheti...

Learn to identify natural kunzite versus synthetics and imitations. A detailed case study with optical, physical, and advanced testing methods.

The Kunzite Conundrum: A Case Study in Syntheti...

Learn to identify natural kunzite versus synthetics and imitations. A detailed case study with optical, physical, and advanced testing methods.

The Kornerupine Conundrum: Heat Treatment Controversy in Sri Lankan Alluvial Deposits

The Kornerupine Conundrum: Heat Treatment Contr...

Discover the geological setting of kornerupine deposits in Sri Lanka and beyond, the science behind heat treatment, and the ongoing controversy over detection and ethical disclosure in the gem trade.

The Kornerupine Conundrum: Heat Treatment Contr...

Discover the geological setting of kornerupine deposits in Sri Lanka and beyond, the science behind heat treatment, and the ongoing controversy over detection and ethical disclosure in the gem trade.

Moonstone Mining: Field vs Laboratory Evaluation of Adularescence and Gem Rough

Moonstone Mining: Field vs Laboratory Evaluatio...

Discover how field gemology and laboratory analysis compare for moonstone deposits, covering adularescence formation, mining techniques, and quality assessment from Sri Lanka to Madagascar.

Moonstone Mining: Field vs Laboratory Evaluatio...

Discover how field gemology and laboratory analysis compare for moonstone deposits, covering adularescence formation, mining techniques, and quality assessment from Sri Lanka to Madagascar.

The Larimar Heat Treatment Controversy: Separating Natural Blue from Enhanced Dominican Pectolite

The Larimar Heat Treatment Controversy: Separat...

Discover the scientific and ethical debate surrounding heat-treated larimar. Learn how to distinguish natural blue from enhanced, the geology of Dominican pectolite, and what consumers need to know.

The Larimar Heat Treatment Controversy: Separat...

Discover the scientific and ethical debate surrounding heat-treated larimar. Learn how to distinguish natural blue from enhanced, the geology of Dominican pectolite, and what consumers need to know.

Labradorite Origin Myths: The Truth Behind Its Formation and Iridescence

Labradorite Origin Myths: The Truth Behind Its ...

Learn the science behind labradorite's labradorescence and debunk common myths about its origin, including its formation in magma, the role of exsolution lamellae, and global occurrences. Gemological facts explained.

Labradorite Origin Myths: The Truth Behind Its ...

Learn the science behind labradorite's labradorescence and debunk common myths about its origin, including its formation in magma, the role of exsolution lamellae, and global occurrences. Gemological facts explained.