Unusual Carved Tourmaline Suite

April 30, 2015

A uniquely carved tourmaline suite on display in Tucson.

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Tucson 2015 Overview

April 29, 2015

A summary of the findings at Tucson’s 2015 gem shows.

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CVD Synthetic Diamond with Unstable Color Centers

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The Foldscope and Its Gemological Applications

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GILC 2015

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International Diamond School

A report from the Second International Diamond School, held in Brixen, Italy in January 2015.

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Iridescent Scapolite

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Jadeite With High Albite Content

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A Remarkably Large Amblygonite-Montebrasite Carving

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Moldavites: Natural Or Fake?

A gemological investigation into natural moldavite and its more recent imitations.

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Oregon Sunstone Update

An review of the Oregon sunstone seen at the Tucson gem shows.

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