Gemstone Encyclopedia Detailed information for any gemstone you are interested in.

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.

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

Gemstones are naturally occurring minerals, rocks, or organic materials that are cut and polished to enhance their beauty. Once cut and polished into a finished form, they become beautiful pieces that …

Apr 13, 2023 · Gemstones have played numerous roles in the myths and tales of human societies throughout history. Although some are believed to have unique powers, each shares a typical …

Jan 8, 2026 · Explore our complete A to Z gemstone guide with 30+ precious and semi-precious stones. Discover properties, meanings, healing benefits, and zodiac associations for each gemstone.

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 & research.