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
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.
The Gemstone Emerald - The Mineral and Gemstone Kingdom
The Gemstone Emerald. Emerald, the green variety of Beryl, is the most famous and valuable green gemstone. Its beautiful green color, combined with durability and rarity, make it one of the most expensive gemstones. Deep green is the most desired color in Emeralds. In general the paler the color of an Emerald, the lesser its value.
Emerald Value, Price, and Jewelry Information - International ...
Emerald 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.
Emerald beryl: The green mineral Emerald information and pictures
The Mineral emerald. 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.
All About Emerald - Uses, Properties, Color, and Worth - Rock ...
2019年9月14日 · 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 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.
All About Emeralds | Rock & Gem Magazine - rockngem.com
2024年4月29日 · Emeralds are the green variety of the beryl group (Be 3 Al 2 Si 6 O 18) of minerals that also includes aquamarine, goshenite, heliodor and red beryl. Best known as the birthstone of May, the green of emeralds also symbolizes royalty.
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.
Emerald | Properties, Formation, Occurrence » Geology Science
2024年7月1日 · Emerald are a type of gemstone that belong to the beryl family, which has the chemical formula Be3Al2(SiO3)6. They are valued for their intense green color, which is caused by trace amounts of chromium , vanadium , and iron .