Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic sapphire, ruby, uncut emerald, and amethyst crystal cluster. …

Gem Encyclopedia is a virtual journey through the science and lore of Gemstones from across the globe. Each Gem page features Gemological Information, a Buyer’s guide, photos, videos & …

5 days ago · 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 …

100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.

Discover everything about amethyst gemstones — from their meaning and ... Ametrine is a variety of quartz that displays bands of both amethyst p... Ammolite is a rare, iridescent, gem-quality …

Gemstones.com is the one-stop destination for all gem information, providing quality educational material and inspiring to explore the world of gemstones.

Jul 31, 2025 · Learn the difference between minerals, rocks, and gems. Find out what types of mineral research Smithsonian geologists are doing.

Our wide collection of gemstones jewelry, diamond rings, wedding rings, pendants, earrings, and more has been carefully curated for stunning quality.

Browse our gemstone list with names, colors, and types of gems. Explore natural gems like ruby and sapphire at GemSelect for jewelry or collecting.

Explore gemstones, their properties, formation, identification methods, and major types. A complete beginner-friendly guide to the world of natural gems.