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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.
In modern use, the precious stones are emerald, ruby, sapphire and diamond, with all other gemstones being semi-precious. This distinction reflects the rarity of the respective stones in ancient times, as well as their quality: all are translucent , with fine color in their purest forms (except for the colorless diamond), and very ...
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 · A gemstone is a crystalline mineral that can be cut and polished to make jewelry and other ornaments. The ancient Greeks made a distinction between precious and semiprecious gems, which is still used. Precious stones were hard, rare, and valuable. The only "precious" gemstones are diamond, ruby, sapphire, and emerald.
- Anne Marie Helmenstine, Ph.D.
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.
Hace 3 días · Traditionally, only four gemstones in the world are considered precious: diamonds, sapphires, rubies, and emeralds. This guide explores the characteristics of each of the four precious gems, and also looks at the key differences and similarities between precious and semi-precious stones. Why Are Precious Gemstones Precious?
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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