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Bookmark or Share- Emerald Description - GIAEmerald is the green to bluish green variety of beryl, a mineral species that also includes aquamarine as well as beryls in other colors. Gem experts differ on the degree of green that makes one stone an emerald and another stone a less-expensive green beryl.
- Emerald - WikipediaOnly gems that are medium to dark in tone are considered emeralds; light-toned gems are known instead by the species name green beryl. The finest emeralds are approximately 75% tone on a scale where 0% tone is colorless and 100% is opaque black.
- 7 Types of Emeralds: Different Emerald Colors & OriginsEmeralds are gemstones formed from the mineral beryl. To be called an emerald, a beryl gem must be primarily green, and possess a certain intensity of color. Here are the different types of emeralds you're most likely to encounter.
- Emerald: The World's Most Popular Green Gem, May Birthstone - Geology.comEmeralds are gem-quality specimens of the beryl mineral family with a rich, distinctly green color. They are found in igneous, metamorphic, and sedimentary rocks in a small number of locations worldwide. For over 5000 years, emeralds have been one of the most desirable and valuable colored stones.
- Emerald Value, Price, and Jewelry Information - International Gem SocietyEmerald has been synonymous with the color green since ancient times. A fine emerald is a truly breathtaking sight, and this member of the beryl family deserves its placement among the traditional “Big Four” gems along with diamond, ruby, and sapphire.
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