A pink tourmaline necklace is a necklace composed of multiple pink tourmaline gemstones connected by metal chains or threads. Pink tourmaline is a very beautiful and precious gemstone, usually in pink or purple color, with characteristics such as high hardness, high refractive index, and charming color. The color of pink tourmaline is usually formed by the presence of elements such as manganese and iron. Its hardness is 7.5-8, which is more suitable for making jewelry. The refractive index of pink tourmaline is very high, usually between 1.65-1.69, which makes its color very bright and charming. Therefore, the pink tourmaline necklace is a very precious and beautiful gemstone jewelry, widely used in various occasions and places.
The characteristics of ruby
Ruby is a red gemstone whose color is usually formed by the presence of the element chromium. The hardness of ruby is 9, which is suitable for making jewelry. Ruby has a high refractive index, usually between 1.76-1.77, which makes its color very bright and attractive.
Grade classification of rubies
The grade classification of rubies is usually evaluated based on their color, clarity, size, and cut. Generally speaking, the grades of rubies can be divided into the following categories:
AAA ruby: high color saturation, good transparency, no obvious flaws and inclusions, fine cut, moderate size.
AA grade ruby: high color saturation, good transparency, less imperfections and inclusions, fine cutting, moderate size.
Grade A rubies: Average color saturation, average transparency, some blemishes and inclusions, average cut, moderate size.
Grade B ruby: low color saturation, poor transparency, more flaws and inclusions, general cutting, different sizes.
Grade C rubies: low color saturation, poor transparency, many flaws and inclusions, average cut, different sizes.
See also: John Lewis Ruby Rings: A Guide to Color and Clarity
Identification methods of rubies
The identification method of ruby includes the following aspects:
Color identification: The color of rubies is usually red or pink, and it is necessary to observe and compare with the naked eye to determine whether its color meets the standard.
Hardness identification: Ruby has a hardness of 9, which can be measured using a hardness meter.
Refractive index identification: Ruby has a high refractive index, usually between 1.76-1.77, which can be measured using a refractometer.
Chemical composition identification: The color of rubies is usually formed by the presence of chromium and can be identified using chemical testing methods.
Inclusion identification: Inclusions are often present in rubies and need to be observed and identified by tools such as a microscope.
The historical and cultural significance of rubies
In ancient times, rubies were believed to bring happiness and health, and were seen as a symbol of strength and courage. In Indian culture, rubies are regarded as the “stone of the sun”, which can bring power and glory. In modern society, rubies are often used to make jewelry and become a symbol of luxury and dignity.
Ruby maintenance methods
When wearing and maintaining ruby jewelry, you need to pay attention to the following aspects:
Avoid collisions with hard objects: Rubies, although very hard, are still vulnerable to collisions and scratches. Therefore, it is necessary to avoid collision with hard objects when wearing and maintaining.
Avoid chemical cleaners: Chemical cleaners may damage the color and luster of rubies, so it is necessary to avoid using chemical cleaners when cleaning.
Avoid high temperatures: Rubies may discolor or crack due to high temperatures, so it is necessary to avoid exposing them to high temperatures.
Regular cleaning: Rubies need to be cleaned regularly to maintain their beauty and shine. It can be cleaned with mild soapy water or jewelry cleaner.
What is the best grade of ruby?
In general, AAA rubies are the best choice because they have the highest color saturation and transparency, are free of obvious blemishes and inclusions, are beautifully cut, and are of good size. However, AAA rubies are very rare and expensive, so most people are likely to choose AA or A rubies as an alternative. When choosing a ruby, you need to determine the grade that is most suitable for you according to your budget and needs.
Conclusion
Ruby is a very precious and beautiful gemstone, its grade classification and identification methods are very important. When choosing and buying ruby jewelry, you need to choose the right stone for you according to your preferences and needs. At the same time, when wearing and maintaining ruby jewelry, it is also necessary to pay attention to the characteristics and maintenance methods of the stone to ensure the beauty and life of the stone.
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