◂ BACK TO GEM ENCYCLOPEDIA

Ruby

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

Ruby
See Gem As

Research

Corundum with Spinel Corona from the Tan Huong–Truc Lau Area in Northern Vietnam

Explains the reactions responsible for the formation of a well-developed reaction rim of spinel that surrounds the corundum core in some specimens from this deposit.

Read more

Crimson Prince Ruby from Namya

Read more

Winter 2009 Gem News International

A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.

Read more

Winter 2010 Gem News International

Read more

A Rare Ruby from Montana

Read more

Liberian Ruby

A trip to a rural Liberian diamond mining community results in a newly discovered source of corundum.

Read more

“Diffusion Ruby” Proves to be Synthetic Ruby Overgrowth on Natural Corundum

A relatively new production of red corundum, reportedly from Bangkok, has been offered for sale in recent years.

Read more

The 3309 cm–1 Series in Sapphire and Ruby: A Focus on FTIR Peak Position Variation

Investigates the correlations between peak positions in the 3309 cm–1 series with trace element concentrations for ruby, metamorphic and basalt-related blue sapphire, and laboratory-grown sapphire.

Read more

Devitrified Glass “Pom-Poms” in Ruby

Read more

Evil Eye in a Flux-Healed Mong Hsu Ruby

Read more

Fireworks in Ruby

Read more

Natural-Looking Inclusions in a Ramaura Synthetic Ruby

Read more

PreviousPage 2 of 10Next