The gems that have the reputation of "the king of emeralds" have been loved by Westerners, especially Europeans, since ancient times. However, perhaps because of the cultural differences between China and the West, the degree of emerald favored in China has not been comparable to the subtle and moist beauty of the jade. Some people even look at it, and it is not uncommon to mix jade and emerald.
In fact, the emerald, which is also known as the world's four famous gems with diamonds, rubies and sapphires, is the most noble member of the beryl family. It condenses the most breathtaking green in nature and will give you a touch of green. Youthful vitality, vitality, and a sense of exuberance. Emerald is not only valuable, but also has a profound cultural connotation, a symbol of loyalty, kindness and kindness.
Emerald and jade have no essential relationship
For a long time, some people have been merging emeralds with emeralds, because the grandmother who enjoys the reputation of “the king of emeralds†is bright and dazzling, and the green color of the jade is the greenest, the best and the four green tones of the gem-quality variety. Among the emeralds, sedge greens, apple greens and emerald greens, there are also emerald green jade. However, this is just a customary term - in addition to the similar color, the grandmother green jade has nothing to do with the true emerald.
The name "emerald" originated from the ancient Persian "Zumurud", which originally meant "green stone". The ancient Greeks called it "glowing gem" and later evolved into the Latin "Smaragdus". Around the 16th century, emeralds had today's English name "Emerald." From the physical and chemical properties, the emerald is a beryl family, which is the most noble member of the beryl family. It belongs to the hexagonal crystal system. The crystal form is a hexagonal column, a hexagonal double cone, and most of them are rectangular columns. The aggregate is granular, massive, and the like. The chemical name of emerald is yttrium aluminosilicate (Be3AL2Si6O18), which is crystal clear and beautiful because it contains traces of chromium. It has a glass luster and is transparent to translucent. The emerald has a refractive index of 1.564 to 1.602, a birefringence of 0.005 to 0.009, and the pleochroism is not obvious. The heterogeneous body has a natural emerald hardness of 7.5 to 8, and a density of 2.63 to 2.90 g/cm 3 . Complete, shell-like fracture, brittle.
Emerald is a gem with a long history. According to research: about 4,000 years ago, emerald was discovered in the west coast of the Red Sea in the upper reaches of the Nile River in Egypt. Emerald is very expensive, which makes it the world's four famous gems with diamonds, rubies and sapphires. The international jewellery industry has set it as the birthstone of May.
It should be noted that: emerald is a high quality emerald, but not only emerald is emerald. In addition to emerald and aquamarine, other colors of gem-quality beryl are collectively called emeralds. Members include: green emerald, blue Emeralds, red emeralds, pink emeralds, emeralds, emeralds, emeralds, emeralds, emeralds, aquamarine, yellow-green emeralds, dark brown emeralds, etc.
Colombian emerald quality is the best
Emerald was discovered more than 4,000 years ago in the West Bank of the Red Sea on the upper Nile River in Egypt, where there is now the world's oldest tunnel and mining remains. It was confirmed by scholars that the West Bank of the Red Sea was now the Egyptian and Arab regions, which were once rich in emeralds.
Early emerald origins were in Egypt, Ural and India. Ancient Colombia was one of the major producers of high quality emeralds at the time. As early as the Inca dynasty, its emerald resources were mined and used by the Incas for hundreds of years. In the middle of the fifteenth century, Colombia became a Spanish colony. When the Spaniards discovered that the ornaments worn by the local indigenous people were mostly emeralds, they succeeded in winning the local indigenous emerald treasures by the winners. They are shipped to Europe in large quantities for huge profits. So in Europe, emeralds are very popular.
When the Spaniards discovered the true value of emeralds, they believed that a region of Colombia was containing emerald ore, which ignited the desire to mine. Finally, the world's largest emerald vein was finally discovered in the Andes Valley along the Magutarina River. For centuries, many emerald treasures have been discovered in the area, and Colombia is also known as the treasure house of emeralds.
Today, the world's major producer of emeralds is still Colombia, which accounts for more than 90% of the world's total emerald production. In addition, there are South Africa, India, Brazil, Tanzania and Zambia.
Emerald was once considered a symbol of power
Although emerald is now known as the four precious stones in diamonds, rubies and sapphires in the world today, it used to be a symbol of power. It is deeply loved by Chinese and foreign emperors, and its meaning is endless. Therefore, it has the unique charm to lead the gem family. .
Emerald is a representative of green gemstones and a treasure in minerals. Over the years, it has been regarded as a symbol of happiness, loyalty, longevity, kindness and luck, and its green and lush colors and dazzling soft brilliance make emeralds noble, steady, elegant and noble. Impression, so wearing emerald jewelry is not only particularly attractive, but also easy to create a sense of identity. This has led to emeralds fascinating people of different eras, races, cultures and regions since ancient times.
In ancient society, emeralds were regarded as a symbol of privilege, and only the royal family could own it. At that time, the ancient emperors of the East and West liked to embed emeralds in their crowns and jade belts. As it is said that there is a queen in ancient Egypt, she crowned the emerald ore with her own name and often wears some gorgeous dazzling emeralds. Gemstones to show off their authority and beauty; the well-known "Anders Crown" in history is made of 45 kilograms of gold, with 453 emeralds inlaid on it; there are many treasures unearthed in the Ming Dynasty in Beijing. Emerald treasures, it can be seen that the emperors of the Ming and Qing Dynasties in China also used a lot of emeralds as decorations.
At the same time, the history of emeralds is woven by legends and superstitions. For example, the Romans believe that “people often look at emeralds, can eliminate eye fatigue, restore vision, broaden their horizons; can make people clear, quick-thinking, and increase knowledge. To enhance memory; to bring good luck to the wearer, away from evil; the person who owns it has a superhuman ability to predict the future, and the power to make the lawsuit win;" Ancient Europeans thought emerald to any Diseases have curative effects, especially for treating eye diseases and muscle weakness; the Old Testament records that Christians believe that the resurrection of Jesus is related to emeralds, a symbol of re-emergence and a sacred power; India People admire emeralds. They think that emeralds can bring good luck to the wearer and have a good mood. Therefore, ordinary people are proud of having an emerald, and the royal family is a collection of valuable emerald treasures.
Yunnan grandmother is green but has poor transparency
Emeralds have been translated into "helping hibiscus", "mother green" and "sesame green" for hundreds of years in China, and "emerald" in "West Chamber". Emeralds are also called "Luzon Green" and "Emerald", and they were collectively referred to as "emeralds" until modern times. Therefore, "emerald" is only transliterated and has nothing to do with grandmother. It must not be considered that this gem is intended for older women. Like any other favorite gem, emerald wear is not old or female. Young.
The emerald produced in Wenshan County, Yunnan Province, China is a member of the beryl family. It was produced as early as 1992. Its color is good, but because of its opaque texture, more cracks, poor color and clarity, it has not been Widely accepted by consumers. The emeralds in Yunnan are distributed in metamorphic rocks in the outer belt of granite in the southeastern Yunnan. The crystals are columnar or dense, with dark green, green, yellowish green, light green and light green. According to the characteristics of Yunnan emerald color, but the transparency is not good, the merchants process it into egg noodle products, or sell it directly with beautiful crystal ornamental stones, which is also popular among consumers.
Evaluating the standard of emeralds
Color: The color is green and blue, and the quality of green and gray is poor.
Transparency: It is a clear and bright, crystal clear and transparent, and translucent is an ordinary product.
Purity: The interior of emeralds often has some inclusions (envelopes), such as pure ones, which are rare top grades, while low-priced emeralds are mainly due to their poor clarity.
Cut: The standard cut is called the emerald type, which can completely reflect the gloss of the stone.
Weight: Generally, the crystals of emeralds are not large. After cutting, the quality is excellent, and the weight is more than 2 carats. It is rare. If the weight is more than 5 carats, it is a rare treasure.
Characteristics of emeralds from major producing areas
Colombian emerald: Colombian emerald is recognized as the best in the world, its color is pure green, a few are yellow-green or blue-green; cracks are more, carbon monoxide bubbles, liquid sodium chloride and cubic salt are visible in the crystal. , liquid and solid three-phase inclusions - this feature is unique to Colombian emeralds, as well as fibrous inclusions, pyrite inclusions, yellow-brown granular fluorocarbon calcium strontium inclusions, quartz inclusions, magnetic yellow Iron ore inclusions and molybdenite inclusions.
Tanzanian emerald: usually yellow-green, but also has a blue-green variety similar to gems, of good quality, comparable to Colombian emeralds.
Zimbabwe emerald: small size, high quality, bright green, very beautiful.
Russian emerald: the color is mostly yellow-green, the crack is less, with typical inclusions, and the common sheet-like biotite inclusions.
Zambian emerald: the colors are generally bright green, blue and dark green. Because there are many inclusions such as mica, hornblende, actinolite or tremolite in the crystal, it is mostly gray.
Pakistan emerald: with mica flakes and two-phase inclusions, the quality is average.
Yunnan, China, emerald: more cracks, poor color, clarity, quality.
Indian emerald: crystal is small, many cracks, the color is light green to dark green, with a typical "comma"-like inclusion, consisting of a gas-liquid two-phase inclusion and a small mica crystal in the hole.
Brazilian emerald: crystals are small, sturdy, and of poor quality.
Viscose is a kind of silk cellulose, which is made of cellulose, which is an organic compound that makes up the majority of plants. Good air permeability, dyeing, moisture absorption and vertical.
Viscose
Poly Viscose,Viscose Fabric,Viscose Rayon,Cotton Viscose
SHAOXING SHUKE IMPORT AND EXPORT CO.,LTD , https://www.shuketex.com