It has been assigned a very large number of occult properties over the last years. Some of these Traditional beliefs are that emerald is a symbol of immortality, and that wearing emerald jewelry is good for the eyes and eyesight, it cures snakebites, encourages and preserves chastity, cures dysentery, prevents epilepsy, promotes cleverness, courage, eloquence, honesty, prosperity and a great number of other beneficial qualities.
In general it can be said that emerald is believed to protect against illnesses, physical danger and evil and that it can improve your mind and character. The astrological signs of emerald are Taurus, Gemini and Aries. Emerald is the birthstone gift for the month of May. Return to the Emerald Info Index. Wearing emerald jewelry or holding an emerald crystal is said to give confidence, peace and harmony and to enhance one's creativity and mental capacities.
It is also said to instill and nurture mutual love and loyalty in marriage, and to ensure honesty and success in business dealings and other relationships. The use of emeralds is also said to help strengthen and heal the heart and kidneys, and to help remedy circulatory and neurological disorders and eye irritations, and to help eliminate free radicals from the body. Prevalence Demand Trapiche Emerald - Rare form of Emerald that exhibits a radiating star pattern with raylike spokes of impurities that give the Emerald a six-pointed asterisk-shaped pattern.
Emerald is one of the most valuable gemstones. It is the most famous green gemstone, and its deep emerald-green color gives it its unique status. It is used in all forms of jewelry, and less transparent stones are cut into cabochon s. Good quality Emerald specimens are highly valued by collectors. The finest Emeralds have historically come from the various Emerald mines of Colombia. The "Emerald Belt" in Colombia contains two concentrations of deposits where the famous Emeralds are sourced.
Many of the Colombian Emerald mines are still producing today. This mine has been a recent producer of high-quality gem grade Emerald. In the U. Emerald is unique in color and crystal habit, although green Tourmaline may be similar, but is striated lenghtwise whereas Beryl is striated crosswise.
Have a question about Emerald? To sponsor this page, click here. Amazon Supply Store. Emeralds from Colombia: Emerald crystals in a calcite and graphitic shale matrix from the Coscuez Mine, near Muzo, northwestern Colombia.
The well-formed crystal with an attractive bluish-green color is about 1. Emeralds 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 years, emeralds have been one of the most desirable and valuable colored stones. Ancient civilizations in Africa , Asia , and South America independently discovered emeralds and made them a gemstone of highest esteem. In the United States and many other countries, emerald serves as the birthstone for people who were born in the month of May.
Today emerald, together with ruby and sapphire , form the "big three" of colored stones. The "big three" generate more economic activity than all other colored stones combined. In the value of emeralds imported into the United States exceeded the value of all colored stones outside of the "big three" combined.
The large crystal is about 21 millimeters in length. Beryl, the mineral of which emerald is a variety, has a chemical composition of Be 3 Al 2 SiO 3 6. When pure, beryl is colorless and known as "goshenite. Trace amounts of iron will tint emerald a bluish green or a yellowish green color depending upon its oxidation state.
Emerald is defined by its green color. To be an emerald, a specimen must have a distinctly green color that falls in the range from bluish green to green to slightly yellowish green.
To be an emerald, the specimen must also have a rich color. Stones with weak saturation or light tone should be called "green beryl. This color definition is a source of confusion.
Which hue, tone, and saturation combinations are the dividing lines between "green beryl" and "emerald"? Professionals in the gem and jewelry trade can disagree on where the lines should be drawn.
Some believe that the name "emerald" should be used when chromium is the cause of the green color, and that stones colored by vanadium should be called "green beryl.
Calling a gem an "emerald" instead of a "green beryl" can have a significant impact upon its price and marketability. This "color confusion" exists within the United States. In some other countries, any beryl with a green color - no matter how faint - is called an "emerald. Be careful if you are buying an "emerald". Make sure that you are getting a gem that has a rich green color instead of a "green beryl".
Buying from a website where people from outside of the United States are acting as third-party sellers and photographs might not have representative color can be especially risky. By definition, emeralds are gem-quality specimens of the beryl mineral family with a rich, distinctly green color. Because of that, it is inappropriate to use the name "emerald" when marketing a beryl of any other color. They use "yellow emerald" as an example of an incorrect name that when used in marketing can be "unfair", "misleading" and "deceptive" the words here in quotes are straight from FTC guidance for jewelers.
More information here. If you are going to buy a "yellow emerald" it might be a good idea to compare it with an equivalent material that is properly marketed as heliodor or yellow beryl. Heliodor is a beautiful gem. It sells for a lot less than emerald and it usually does not suffer from the durability and clarity problems that are common in emeralds. This specimen is about 6. Emerald has a Mohs hardness of 7. However, most emeralds contain numerous inclusions or surface-reaching fractures.
These can weaken the gem, cause it to be brittle, and make it subject to breakage. These are expected characteristics of emerald. It is rare to find an emerald that does not have inclusions and surface-reaching fractures that can be seen with the unaided eye. The flux is comprised of chemicals that stay liquid at high temperatures, such as lithium oxide, molybdenum oxide and vanadium oxide.
The hydrothermal synthesis technique involves dissolving components in an acidic solution at high temperatures and pressures, with crystallisation occurring in a cooler chamber. A method has also been developed for producing an emerald overgrowth on colourless beryl. The mineral beryl occurs throughout Australia.
However, generally the crystals are not gem-quality so most mining is conducted to extract beryl as a source of beryllium.
The New England area of New South Wales has produced most of the gem-quality beryl, emerald and aquamarine. The largest deposit is found in the Emmaville area, but there are deposits near Inverell, Dundee and Glen Innes. In the early s over 53, carats 10 kg of beryl and emerald were produced over 20 years in this area.
Nearly all production of emerald in Western Australia has been from a deposit at Poona but there are beryl and emerald deposits at Menzies and in the Pilbara region, south of Port Hedland.
Mount Isa in Queensland has beryl-bearing metamorphic rocks and, small volumes of aquamarine have been found near Mount Surprise in Queensland and Olary in South Australia.
Most industrial beryl production from New South Wales has been from pegmatites in the Broken Hill area, but beryl has also been extracted from gravels near Black Range, Albury, Ophir, Cooma, Bungonia, Kiandra and associated with alluvial tin deposits at Stanborough, Tingha and Copes Creek.
See map. The emeralds are usually in rocks among layers of other minerals such as mica. Open pit mining or terrace mining are the most common methods. Miners dig a pit with shovels, excavators or other earth moving equipment, depending on the scale of the mine. If the emerald-bearing ore is beneath a substantial cover of soil and rock, explosives might be used to remove this material. Sometimes high pressure water is used to blast the rock to reveal mineral bearing rocks.
Tunnels are also used to extract emeralds from deeper rock layers. Emeralds are removed from the exposed zone using hand chisels. In some larger mines security staff transport any emeralds recovered from the mine to processing facilities in a locked box. Screens are used to sort the emeralds by size and then silt and clays are washed away to expose the emerald-bearing schist.
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