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 information, a buyer’s …

gemstone, any of various minerals highly prized for beauty, durability, and rarity. A few noncrystalline materials of organic origin (e.g., pearl, red coral, and amber) also are classified as gemstones. …

Sep 24, 2025 · This article has all the information you need about the best spots for gem mining in Tennessee. Get ready to look in these places for rare and common gemstones!

Articles about gemstones written by a GIA Graduate Gemologist. Each article includes photos and information about the gem's physical properties and geologic origin.

Jan 3, 2025 · Gem species are mineral species prized for their durability and beauty. Learn how chemical formulas and crystal structures define species and what causes gem variations, such as …

Gem Studio is a jewelry-making experience where you design and create your own custom silver ring using real gemstones.

Gemstone List: A Complete Gemstones List with Images. Our gemstone list features over 200 precious and semi-precious varieties, a comprehensive index to find the ideal colored stone. Whether for …

Discover a unique collection of natural crystals, healing stones, and rare minerals at Gem Avenue. Explore stunning geodes, points, spheres, carvings, and free-form crystals – perfect for collectors …

Explore Chatham’s collection of lab-grown gems and luxury jewelry.

Discover gemstones, fossils & family fun at Pigeon Forge Gem Mine! Enjoy gem mining adventures, souvenir shopping & hands-on experiences for all ages. Book your family's educational experience …