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Zambian Emerald
The natural emerald from Zambia is one of the most decorated and saturated beryls in Africa. In general, their clarity is included, although Zambian emeralds are very expensive. The beryl family, which includes the emerald, also includes aquamarine, moronite, and red beryl. There are many places to buy emeralds, but the Zambian emeralds from Gemfields come from a responsible source and offer the best value for money.
Zambian Emerald
BETTER UNDERSTANDING THE ZAMBIAN EMERALD
Since antiquity, the color green always comes to mind when we think of emeralds. An exquisite emerald is stunning. Elle belongs to the beryl family and should be considered as one of the "big four" precious stones, with the diamond, the sapphire and the ruby.
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ATTRIBUTES OF PRECIOUS STONES
| MINERAL | Beryl |
| CHEMISTRY | Be3 Al2 Si6 O18 |
| COLOR | Green - Bright Green |
| REFRACTION INDEX | 1,577 to 1,583 |
| BIREFRINGENCE | 0.005 to 0.009 |
| SPECIFIC GRAVITY | 2.72 |
| MOHS HARDNESS | 7.5 - 8.0 |
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VALUE OF THE ZAMBIAN EMERALD
The cost per carat of high-quality emeralds greatly increases with the size of the stone. For example, a superb 3-carat Colombian emerald was listed in a recent price guide at six times the cost of three 1-carat stones of the same quality.
The four "C"s - color, clarity, carat, and cut - impact the value of all gemstones, with color playing the most important role. The price of a stone can be greatly influenced by variations in saturation and hue. The most attractive hue is a medium dark bluish-green with strong, vivid saturation.
Clarity is also crucial. However, of all gemstones, emeralds are the most tolerant of inclusions. When properly certified, high-quality untreated gemstones can sell for up to 50% more than similarly sized, colored, and purity-treated stones.
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THE COLOR OF THE EMERALD DEPENDSElle FROM THE PLACE WHERE Elle IS LOCATED ?
Colombian emeralds are extremely rare and expensive due to the specific color and saturation sought after, which are due to the country's geological conditions. However, the demand for Zambian emeralds is on the rise.
Due to its exceptionally high iron concentration (0.73%), the African emerald can also display a particular blue hue and a blue-green/yellow-green pleochroism. Like watermelon tourmaline, they can exhibit spectacular color zones with almost colorless cores and dark green edges.
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WHERE ARE THE MAIN SOURCES OF EMERALDS ?
70 to 90% of the global demand for emeralds is met by Colombia, which is the source of most of them. South America is the main source of emerald extraction due to the significant production of Brazil.
Africa remains the second largest global supplier of emeralds, after South America, even though the Egyptian emerald mines that once provided Cleopatra with an abundance of jewelry have long been abandoned. There are mines in Zambia, Zimbabwe, Madagascar, and Nigeria. Zambia is the second largest global producer of emeralds after Colombia, providing 20% of the global demand. Each of these African sources often produces stones of a certain color, size, and purity. Since 2016, Ethiopia has been producing high-quality gemstones of a grass green color, which do not need to be oil treated.
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FEATURES OF THE EMERALD
Inclusions such as biotite (black crystals) in the form of spots or tiny dots, bread crumb and needle-shaped inclusions, as well as tourmaline (dravite) and magnetite, can be found in Zambian emeralds. Rutile, chrysoberyl, muscovite, apatite, quartz, ilmenite, tourmaline, color zoning, and two-phase inclusions are present in the material from Kitwe.
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EMERALD CARE
To avoid any physical damage to the stone, emerald rings should be equipped with protection. Even though they make beautiful jewelry, emeralds are fragile.
Use a soft brush and soapy warm water to clean your emeralds. Avoid mechanical cleaning, which could break the stones. If in doubt, have your emerald cleaned by a professional.