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New to gemstones? Curious about the different kinds of gemstones? Check out our gemstones list and discover a world of precious and semi-precious stones.
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.
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 guide, photos, videos & research.
26 de nov. de 2019 · An alphabetical list of precious and semiprecious gemstones, complete with photographs and a look at their chemical composition.
- Anne Marie Helmenstine, Ph.D.
Hace 5 días · There are only four precious stones in the world: diamonds, sapphires, rubies, and emeralds. Learn the difference between precious and semi-precious gemstones.
What Are the Four Precious Gemstones? This is the considered the most definitive precious stones list: Diamond: Transparent, pure carbon gem in any color. Ruby: Transparent red corundum. Sapphire: Transparent non-red corundum, traditionally blue. Emerald: Transparent to translucent green beryl.
Gemstone Meanings & Crystal Properties. Learn all about healing gemstones with this comprehensive list of stones and their meanings. This is our complete guide to crystal meanings with over 100 different semi-precious stones and crystals, precious gems, minerals and their metaphysical symbolism, healing properties, powers, and spiritual meaning.
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