Red is the color that the Chinese think is festive, which represents love, strength and enthusiasm, and also symbolizes the prosperous of life. In the fascinating world of colored gems, rubies are recognized as the king of gems. Natural rubies are mostly from Asia (Myanmar, Thailand and Sri Lanka), Africa and Australia, and there is also a bit in Montana and South Carolina. Natural rubies are rare and precious, and industrial rubies are artificial. Ruby refers to the red and pink corundum. It is a kind of corundum and mainly consists of alumina (Al2O3). The red color comes from chromium (Cr), mainly Cr2O3, the content is generally 0.1-3%, and the highest is 4%.
Ruby ranks among the top five precious stones in the world and is a precious jewel variety. The world of gemology defines ruby as the birthstone of July birthstone rings. Ruby's hot red color makes people always associate it with passion and love. It is known as the "stone of love" and symbolizes enthusiasm like fire, the beauty, eternality and firmness of love.
Ruby is the most precious of all gems in the Bible. Ruby is the birthstone of July and a memorial stone couple’s birthstone ring for the 15th, 40th and 80th anniversary of marriage. Rubies of different colors come from different countries, but they both have a meaning of good fortune.
Red is always the messenger of beauty, and ruby is the best guide to give wishes to others. Also because of the brilliance of rubies, people agree that rubies are more suitable for wearing on mature women. In general, ruby can be much more expensive than diamonds, and rubies are rarer than diamonds. Therefore, if you are fortunate enough to meet your favorite ruby, within the scope of the economy, just buy it without hesitation.
The value of ruby is determined according to 1T and 4C: Transparency, Colour, Clarity, Cut and Carat.
In the naked eye identification of ruby, the transparency is generally divided into five levels: Transparent, sub - transparent, translucent, sub – translucent and opaque. The more transparent the ruby, the better.
Color: There are many colors of ruby, red, orange red, pink, fuchsia, dark red, among which pure red is the best.
Clarity: The clarity of ruby refers to the mineral inclusions and gas-liquid inclusions generated inside the ruby during the formation process. Therefore, a good ruby has as few inclusions is better.
Cut: Ruby cuts are mainly considered from the aspects of cut, proportion, symmetry and degree of modification. Cut refers to the shape of jewel cut, which is usually oval, round multi-faceted, emerald-shaped and so on. The proportion refers to the ratio of the waist width of the dome to the full depth, and the generally acceptable ratio is 60% to 80%. Symmetry refers to whether the waist circle is symmetrical, and whether the bottom point is eccentric. The degree of modification refers to the uniformity of the faceted arrangement, and the quality of the polishing.
The more vivid the red color of ruby, the more beautiful and valuable it is. The color of the best in ruby is called "pigeon blood red". Its red color is more pure, saturated and bright, but it also gives a strong feeling of "burning fire" and "flowing blood". Showing the beauty of ruby in full view. Many people have seen the "pigeon blood red" and they have never forgotten about it. The red light of this gem seems to be more than just a red color, as if something is burning in the gem. "Pigeon blood" ruby is mainly produced in a legendary mine in northern Myanmar - Mo Valley. It is said to be blood, because experts have compared the red color of ruby with the various reds in nature, only to find that only the blood in the adult pigeon arteries in Myanmar is relatively close, and this blood must be fresh, beating blood. Once the blood leaves the pigeon's body for more than a dozen seconds, the color can no longer be compared to the "pigeon" ruby. "Pigeon blood" is the best in ruby, but ordinary ruby is also very rare and precious. Ruby embodies the three main characteristics of high-quality gemstones: glamorous beauty, high rarity and excellent durability. The beauty of ruby is first reflected in its unique red color. Although there are many kinds of red gems in nature, only ruby red can bring the most shocking visual impact.
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