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Garnet

Garnets are a set of closely related minerals forming a group, with gemstones in almost every color.

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Intense

The best colors for spessartine are vivid orange to orangy red.

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Clean

No eye visible inclusions present is rare for spessartine.

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Bright

The intense color, lack of inclusions and skillful cutting create a bright stone.

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Cinnamon

This specimen is hessonite garnet also called the cinnamon stone for its color.

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Array of faces

An amazing intergrowth of hessonite garnet crystals creates an array of crystal faces.

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Mineral Specimen

Hessonite garnet specimens are attractive and collectible.

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Tools

Research

The symbol of medicine, the caduceus (wings on each side of the top of a staff with two snakes intertwined around it) stabbing thru the coronavirus. A garnet sits at the top of the staff.
Article
Jeweler Creates ‘Medal of Honor’ Pin to Recognize Coronavirus Health Care Fighters

GIA graduate Franco Valobra creates a commemorative pin to recognize health care workers on the frontline of the coronavirus battle for survival.

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Gem materials and in front of rare books.
Article
Top 10 Digital Reads from the GIA Library

Explore GIA’s collection of free, rare digital books and manuscripts that document the history of gems and jewelry.

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A large red-orange crystal of wulfenite is nestled in the arms of matrix.
Article
Arizona Road Trips: Wild West Gem and Mineral Localities

Arizona’s scenic desert and mountain landscape is the perfect backdrop for a modern Wild West road trip in search of gem and mineral treasures.

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The octopus head is a baroque Tahitian cultured pearl and its arms are made of black, yellow and white diamond (in a striped pattern) set in black-plated 18K gold.
Article
A Tropical Paradise of Ocean-Inspired Jewelry and Gemstones

Escape to a warm-water paradise in your mind with these jewels that formed in the sea, are inspired by marine life and evoke the ocean’s essence.

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Emerald and diamond brooch.
Article
Jewels of Hollywood: Accessories and Jewelry that Made the Stars Shine

“Jewels of Hollywood,” on loan from the Kazanjian Foundation, showcases some of the jewelry and accessories associated with Hollywood royalty.

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Details of two engravings representing the treasury of Aachen Cathedral.
The Talisman of Charlemagne: New Historical and Gemological Discoveries

Reveals new details about this historical jewel and the results of its first gemological analysis.

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An oval shaped bicolor tanzanite has purple on each side with blue-green in the middle.
Article
December Blues: Birthstone Gifts that Will Delight

Looking for a gift for someone special? December’s birthstones offer a treat for every taste, style and personality – even if it’s not their birth month.

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A rectangle-shaped gold box, decorated with filigree, granulation and gems.
Article
Metalwork Takes a Bow: Techniques that Enhance Gemstone Jewelry

This collection of jewelry images illustrates how metalwork techniques showcase gemstone and jewelry designs.

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A miner in northern Tanzania examines rhodolite.
Gemstone Guidebook Project

A project coordinated by GIA and the NGO Pact provides a valuable educational tool to women miners in Tanzania.

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Garnets under daylight-equivalent (left) and incandescent light (right).
Discovery of Color-Change Chrome Grossular Garnets from Ethiopia

The first known group of color-change gem-quality chrome grossular garnet, reportedly from Ethiopia, is examined in GIA’s Carlsbad lab.

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