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Ruby
Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire.
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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.
A Study of Rubies from Cambodia and Thailand
A report from the GIA Laboratory in Bangkok analyzing 41 Cambodian-Thai rubies.
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.
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.
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.
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.
Rubies from a New Deposit in Zahamena National Park, Madagascar
A field expedition from GIA Bangkok explores a new ruby deposit and collects specimens for study.
GIA Field Gemologist Documents Madagascar Ruby Rush
Join GIA’s recent field expedition to the ruby rush in Madagascar’s Zahamena National Park.
GIA Field Gemologists seek Ruby, Sapphire, and Spinel in Mogok, Myanmar
Venture deep underground with GIA’s Field Gemologists Vincent Pardieu and Dr. Aaron Palke as they explore the geology of Mogok’s ruby, sapphire, and spinel deposits.
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GIA Field Gemologists Visit Chimwadzulu Ruby Mine, Malawi
Visit Malawi’s Chimwadzulu ruby mine with GIA Field Gemologist Vincent Pardieu.
