Emerald - Wikipedia
Emerald is a gemstone and a variety of the mineral beryl (Be 3 Al 2 (SiO 3) 6) colored green by trace amounts of chromium or sometimes vanadium. [2] Beryl has a hardness of 7.5–8 on the Mohs scale. [2] Most emeralds have many inclusions, [3] so their toughness (resistance to breakage) is classified as generally poor. Emerald is a cyclosilicate.
Emerald: The World's Most Popular Green Gem, May Birthstone - Geology.com
Emerald is the green variety of the mineral beryl and birthstone for the month of May. It has been the world's most popular green gemstone for over 5000 years.
Emerald beryl: The green mineral Emerald information and pictures
Emerald is the green variety of Beryl, and its most precious and valuable variety. Its intense green color has given it status as an important gemstone throughout the centuries. The color of Emerald is green to emerald-green. The light green form of Beryl is …
Emerald Gemstone | Emerald Stone - GIA
Emerald is the green to greenish blue variety of the mineral Beryl. Top fine quality Emerald Gems are even more valuable than diamonds.
Emerald | Birthstone, Jewelry & Healing Properties | Britannica
2024年9月5日 · emerald, grass-green variety of beryl (q.v.) that is highly valued as a gemstone. The name comes indirectly from the Greek smaragdos, a name that seems to have been given to a number of stones having little in common except a green colour; Pliny’s smaragdus undoubtedly included several distinct species.
Emerald Description - GIA
Emerald 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.
All About Emerald – Uses, Properties, Color, and Worth
2020年5月16日 · Emerald is a precious gemstone that is part of the beryl group. Emeralds are found in all types of rocks and has been a popular and desirable mineral for thousands of years. Being so popular a gemstone, emerald is the birthstone of May. Emeralds are formed deep in the earth’s crusts where temperatures are just right.
Emerald: Geological Formation and the Role of Trace Elements in …
Modified date: 24/07/2024. Emeralds are one of the most sought-after and valuable gemstones, known for their vibrant green color and historical significance. They are a variety of the mineral beryl, characterized by a rich green hue due to the presence of trace elements.
What Makes an Emerald So Special - The Natural Emerald Company
What is a natural emerald? Learn the key properties of an emerald crystal including how these characteristics give the gemstone its value and beauty, what other stones are mistaken as emeralds, an introduction to the history of emeralds, and what important properties of emeralds to consider to buy.
Emerald Gemstone | Emerald Stone - GIA
Emerald. Emerald is the bluish green to green variety of beryl, a mineral species that includes aquamarine. Color. Highly saturated green color defines high quality emerald. Beveled corners. Emerald cuts have concentric parallel rows of facets and beveled corners. “jardin,” or garden.