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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.
May 6, 2024 · Precious stones, also known as precious gemstones and precious gems, are naturally occurring minerals that possess notable beauty, rarity, and durability. Traditionally, only four gemstones in the world are considered precious: diamonds, sapphires, rubies, and emeralds.
Jun 9, 2020 · 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.
A complete list of precious and semi-precious gemstones: Showing over 200 gemstone varieties, our gemstone index will help you find the perfect colored stone for your jewelry, collecting and crystal healing needs.
Nov 26, 2019 · Precious stones were hard, rare, and valuable. The only "precious" gemstones are diamond, ruby, sapphire, and emerald. All other quality stones are called "semiprecious," even though they may not be any less valuable or beautiful.
Jun 4, 2024 · What are the 7 precious stones in order? The 7 precious stones are diamonds, pearls, rubies, sapphires, emerald, oriental Catseye, and Alexandrite. Other stones, such as amethyst, aquamarine, and tourmaline are classified as semi-precious gemstones.
Jul 15, 2024 · These precious stones have been used as symbols of wealth, power, and status, and are often associated with luxury and glamour. Read on to find out which are the most expensive gemstones in the world.
Colored Stones Unearthed Laboratory Growth of Gem Materials and the Attempt to Replicate Nature Provides an overview of processes for synthesizing gem materials and explains how unique growth conditions enable them to be separated from naturally formed gems.
