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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.
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.
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.
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.
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.
Jan 21, 2024 · Precious stones have captivated humanity for centuries, not only for their beauty but also for their spiritual meanings. Each stone carries its unique energy and symbolism, providing us with a deeper connection to the spiritual realm. Let’s dive into the esoteric world of precious stones and explore their hidden meanings.
Jun 4, 2024 · Like so many industries, discoveries of precious stones can shake up what is the most expensive. But all of these rare gemstones are likely to stay valuable for a long time. These rare gemstones have graced the red carpet. They’ve been featured on some of the most expensive shoes of all time .
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.
Mar 30, 2023 · 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.
A rare and valuable pinkish-orange sapphire named from the Sinhalese for lotus blossom. Facts. Mineral: Corundum. Chemistry: Al 2 O 3. Color: Every color but red. Refractive index: 1.762 to 1.770. Birefringence: 0.008 to 0.010. Specific gravity: 4.00. Mohs Hardness: 9. Treatments.
