GIA Gem Encyclopedia | Complete List Of Gemstones
GIA’s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological …
Gemological Institute Of America | All About Gemstones - GIA
Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.
Rocks and Minerals - GIA
What are Gems? Inclusions; Phenomena; Gemology; gem explorer; Pearls; Gem Cutting
Mignone Halls of Gems and Minerals - GIA
The four corners of the Mineral Hall explore the overarching scientific concepts of minerals, from their evolution and diversity to their properties and how they have been used by humans from …
Gem Tour of America - Gems – Mines – Museums - GIA
Screen for tourmaline, kunzite, morganite and other gems and minerals by sifting through material from the mine’s commercial operation. Jeep tours of active mining areas are also available. …
Fall 2024 Gems & Gemology | The Quarterly Journal of the ... - GIA
Classification of Gem Materials Using Machine Learning. Explores the application of several machine learning models to complement traditional gem classification approaches. Read More
GemKids
What are Gems? Inclusions; Phenomena; Gemology; gem explorer; Pearls; Gem Cutting
The Smithsonian Gem and Mineral Collection | Research & News
2013年11月14日 · Dedicated to the earth sciences, it houses one of the world’s largest gem and mineral collections, including such world-famous gems as the Hope diamond, Logan sapphire, …
News & Articles - GIA
2024年11月1日 · Review of Gempedia: A Comprehensive Glossary for Gemstones and Gemmology by Rui Galopim de Carvalho. Read More
Frozen Splendor: Gems and Minerals Near the Arctic Region
2017年3月17日 · The glaciated peaks of the Arctic region set the stage for our gemstone quest − in an area that occupies less than 8 percent of Earth’s surface (from Greenland to Northern …