Spring 2014 - Volume 50, Issue 1
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Eight HPHT faceted synthetic diamonds from AOTC Group
Near-Colorless HPHT Synthetic Diamonds from AOTC Group

Presents the gemological and spectroscopic properties of a suite of synthetic diamonds grown by AOTC using high pressure and high temperature.

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Man Sin mining
Hunting for
“Jedi” Spinels in Mogok

Documents a series of visits to Myanmar in search of exceptionally bright pinkish red spinels possessing no dark tones.

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Gemstones of the World
Books: Gemstones of the World

Review of Walter Schumann's Gemstones of the World.

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Shots from Tucson gem shows
Tucson 2014

An overview of the 2014 gem shows in Tucson, Arizona.

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Tanzanite crystal with calcite crystals
Gem Crystals – Tucson 2014

A discussion of the growing crystal market, as observed at the 2014 gem shows in Tucson, Arizona.

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Emerald crystal with multi-phase inclusion
More of the Interesting and Unusual – Tucson 2014

Alluring finds at the 2014 gem shows in Tucson.

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Peruvian opal
Stone and Fossil Photography – Tucson 2014

Striking photography of stones, fossils and gem materials at the 2014 Tucson gem shows.

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Large Sri Lankan alexandrite
Fine Corundum, Paraíba Tourmaline, and Alexandrite – Tucson 2014

Updates on the corundum, paraíba tourmaline, and alexandrite markets from the 2014 gem shows in Tucson, Arizona.

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Australian chrysoprase
Fine Australian Chrysoprase Rough and Carvings – Tucson 2014

A report on Australian chrysoprase from the 2014 gem shows in Tucson, Arizona.

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Cultured pearl jewelry
Cultured Pearl Market Update – Tucson 2014

Cultured pearl market update from the 2014 gem shows in Tucson, Arizona.

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