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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.
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.
GIA Field Gemologists Visit Chimwadzulu Ruby Mine, Malawi
Visit Malawi’s Chimwadzulu ruby mine with GIA Field Gemologist Vincent Pardieu.
Discover Mozambique’s Montepuez Ruby Mine with GIA’s Field Gemologists
See inside the world’s most productive ruby mining operation with GIA’s field gemology team.
GIA Field Gemologists Seek Ruby in Mogok, Myanmar
Venture into Mogok, Myanmar, in search of ruby with GIA’s field gemologists.
Romancing the Source: Pakistan
Accompany GIA field gemologists on a true gemstone mining adventure in the mountains of Pakistan, where beautiful gems are mined and cut. Travel with us on the old Silk Road used by Marco Polo, where the Himalaya, Karakoram, and Hindu Kush mountain ranges collide.
Analysis of Synthetic Ruby Overgrowth on Corundum
Analysis of synthetic ruby overgrowth on corundum, using analysis of inclusions, UV-Vis-NIR and EDXRF spectroscopy, and LA-ICP-MS.
GIA Lab Reports on Low-Temperature Heat Treatment of Mozambique Ruby
Report on changes in Mozambique ruby following low-temperature heating, observed using inclusion analysis, FTIR spectroscopy, and LA-ICP-MS.
Books: Ruby & Sapphire: A Collector’s Guide
Review of Richard Hughes’s Ruby & Sapphire: A Collector’s Guide.
Mogok Expedition Series, Part 3: The Market and the Stones
An inside look at Mogok's gem markets and cutting industry.
Mogok Series, Part 2: The Expedition, the Mines, and the People
An expedition to Mogok Myanmar documenting the current state of their ruby mining, markets, and cutting industries.
