To view our Gem Notes, as published in the Journal of Gemmology, please see our Gem Notes tab under Publications or click here.

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The following are assorted papers from various publications:

Clear as NightThe Valuer

Technology Update-Ultraviolet LightThe GemGuide

Synthetic Tourmaline–Rumors and RealityThe GemGuide

Navigating Coloured Gemstone LaboratoriesGems & Jewellery

The Biology of Lightning Ridge OpalJCK

Infrared Spectroscopy in Gemstone TestingThe Valuer

Magnetic Susceptibility, a Better Approach to Defining GarnetsJoG

The ABC’s of LAB’s: To Submit or Not Submit Prism

Crossed Filters RevisitedJoG

Freshwater Natural Pearls from the Concho River, TexasG&G

Better Refractometer Results with the Bright Line TechniqueJoG

Amblygonite and PeridotiteGems & Jewellery

Alien Sightings: PallasiteThe GemGuide