A gemstone (also called a fine gem, jewel, precious stone, semiprecious stone, or simply gem) is a piece of mineral crystal which, when cut or polished, is used to make jewelry or other adornments.

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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.

Apr 13, 2023 · Gems come in every color of the rainbow and are gathered from all edges of the globe, with each colored gemstone possessing a one-of-a-kind production of lovely color. Explore beautiful gemstones and fine jewelry at Blue Nile.

Gemstones: Facts, photos, and information for over 100 gems. Tourmaline - the most colorful mineral and natural gem material on Earth. Fancy Sapphires are gem corundums of any color other than red, blue or colorless. Diamond A collection of photos, articles, facts, maps and graphs about diamonds.

Feb 26, 2025 · 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. Gemstones have attracted humankind since ancient times, and have long been used for jewelry.

Our gemstone list features over 200 precious and semi-precious varieties, a comprehensive index to find the ideal colored stone. Whether for jewelry, collecting, or crystal healing, this gemstone list guides you to the perfect natural gem for your needs.

Here we have showcased a comprehensive list of crystals and gemstones by their name in A to Z order. You can click on the pictures of gemstones to read their comprehensive buying guide and browse their impressive catalogue.

UV-Vis-NIR spectroscopy measures how gemstones absorb and interact with light across the ultraviolet, visible, and near-infrared ranges, revealing crucial information about their composition, origin, and potential treatments.

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