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Ruby
Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire.
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Tools
Research
Mozambique: A Ruby Discovery for the 21st Century
Explores the geology, production, and yield of the world’s most commercially important ruby deposit.
Fine Corundum, Demantoid Garnet
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: Untamed Encounters: Contemporary Jewelry from Extraordinary Gemstones
Review of Mimi Lipton's Untamed Encounters: Contemporary Jewelry from Extraordinary Gemstones.
Coated Lawsonite Pseudomorphs Presented as Chromian Lawsonite
Books: Jewels of Ancient Nubia
Review of Yvonne J. Markowitz and Denise Doxey's Jewels of Ancient Nubia.
Flame-Fusion Synthetic Ruby Boule with Flux Synthetic Ruby Overgrowth
This synthetic ruby specimen features two growth methods within the same crystal.
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. This exotic land, known as the "Valley of Rubies," is one of the world’s most famous gemstone sources.
Mogok Expedition Series, Part 1: The Valley of Rubies
An expedition to the Mogok area of Myanmar documenting the current state of their ruby mining, markets, and cutting industries. This exotic land, known as the "Valley of Rubies," is one of the world’s most famous gemstone sources.
