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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
Heat Treating Ruby and Sapphire: Technical Aspects
A review of heat treatment methods available for use on natural or synthetic corundum.
Finds from the Secondary Market
Dave Bindra shows some noteworthy pieces he obtained on the secondary market and shares his thoughts on the state of the colored stones market.
Fireworks in Ruby
Ruby Description
Ruby Care and Cleaning Guide
Learn about ruby's durability and how to care for your ruby jewelry.
Ruby Quality Factors
Ruby can command the highest prices of any colored gemstone. The per-carat prices of fine-quality rubies have been rising consistently, many times breaking auction records. Click here and learn about the factors that make ruby so desirable!
Rubies from the Niassa and Cabo Delgado Regions of Northern Mozambique
Ruby History and Lore
The name ruby comes from the Latin word ruber, which means “red.” The glowing red of ruby suggested an inextinguishable flame burning in the stone...
Ruby Journey
Ruby is the most valuable variety of the corundum mineral species, which also includes sapphire
Abstracts; Fall 1991
This article, from the Fall 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.
Abstracts; Winter 1991
This article, from the Winter 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.
