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Ruby

Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire.

Ruby
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Research

Suggested Reading on Rubies and Their Inclusions

Suggested Reading on Rubies and Their Inclusions

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30-Year Marine Corps Veteran Fulfills Dream of Becoming a Field Gemologist

The rigors and often-harrowing conditions of gemology field expeditions are no match for 30-year Marine veteran with a love of gems.

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A Study of Rubies from Cambodia and Thailand

A report from the GIA Laboratory in Bangkok analyzing 41 Cambodian-Thai rubies.

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Conversation with Gemfields

An exclusive interview with Ian Harebottle, CEO of Gemfields.

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New Ruby Miner in Mozambique

A new mining operation in Montepuez is profiled.

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Update on Gemstone Mining in Northern Mozambique

Recounts an expedition to Mozambique’s important deposits of ruby, spinel, and tourmaline, which have yet to be fully explored.

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30-Year Marine Corps Veteran Fulfills Dream of Becoming a Field Gemologist

The rigors and often-harrowing conditions of gemology field expeditions are no match for 30-year Marine veteran with a love of gems.

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Preliminary Study on Rubies Reportedly from Pokot, Kenya

Reports on the internal features and spectroscopic and trace-element analysis of rubies reportedly from Pokot, Kenya.

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Metallic Chromium Inclusions in Industrial By-Product Ruby

Inclusions in technogenic ruby slag help to separate this material from other specimens, both natural and synthetic.

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Afghan Emerald, Tajik Ruby, and Clarity-Enhanced Tourmaline

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Tucson 2016

An overview of the 2016 gem shows.

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Wheel of Light’s Mesmerizing Optics

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