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Tourmaline
Tourmalines have a variety of exciting colors with one of the widest color ranges of any gem.
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Gaseous Carbon Dioxide Phases in Paraíba Tourmaline
Immiscible two-phase fluid inclusions are investigated in a 0.48 ct Paraíba tourmaline.
Tourmaline in Tourmaline
A perfectly shaped euhedral tourmaline crystal is identified in a faceted tourmaline.
Whimsical Growth Tubes in Tourmaline
Microscopic examination reveals intriguing growth tubes in a copper-bearing tourmaline.
Cuprian Liddicoatite Tourmaline
Abstracts; Spring 1991
This article, from the Spring 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.
Tourmaline Care and Cleaning Guide
Learn about tourmaline's durability and how to care for your tourmaline jewelry.
GIA's Gübelin Gem Project: Tourmaline
Tourmalines have a very complex chemical composition, and more than a dozen mineral species are recognized within this group.
Tourmaline History and Lore
Somewhere in Brazil in the 1500s, a Spanish conquistador washed the dirt from a green tourmaline crystal and confused the vibrant gem with emerald. His confusion lived on until scientists recognized tourmaline as a distinct mineral species in the 1800s.
Tourmaline Description
Tourmalines come in a wide variety of exciting colors. In fact, tourmaline has one of the widest color ranges of any gem species, occurring in various shades of virtually every hue.
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.
