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A general term for light blue to deep blue tourmalines. Blue tourmaline is now the most valuable color in the tourmaline because it is rare. Blue tourmaline is produced in the yellow clay of Russian Siberian weathered granite, also in Brazil, Madagascar and the United States.
Blue tourmaline features
The blue tourmaline has a high transparency, color and luster like sapphire, gem-quality blue tourmaline color, from pure blue to deep purple blue, or blue, light blue to light green blue, sometimes forming a cat-like phenomenon. It is called the tourmaline opal, but the cat's eye line is blurred. Among the blue tourmalines, the top of the Paraiba Blue Tourmaline.
The role of blue tourmaline
The blue tourmaline symbolizes the clarity, purity, tranquility and freedom of the ocean and blue sky. It is easy to produce detachment and away from the secular customs.
The blue tourmaline has a calm and rational character, which corresponds to the red tourmaline. In the business world, people think that blue tourmaline means balance. Because the blue tourmaline can adjust the cerebral cortex to optimize the way of thinking of people, it has the effect and effect of enlightening the logic and rigorous imagination and enriching the horizon. Therefore, the blue tourmaline also implies wisdom.
In addition, the blue tourmaline also represents masculine, suitable for men's temperament, men wearing blue tourmaline walked by, you can not help but follow him.
How does blue tourmaline identify true and false
1. After the surface temperature rises, electrical ions are generated. These ions can absorb dust and hair around. Based on this feature, we can identify the tourmaline at home in a simple way. Remove a tourmaline bead, rub it back and forth with cotton cloth for a few minutes, then touch the shredded piece of paper. If it can be sucked, it means electric heating. (Experimental points: Do not shred the paper with your hands. Try to cut it with scissors. The more broken, the better. The friction and time should be enough.)
2, tourmaline cleavage, fracture and toughness: tourmaline has no cleavage; generally shell-like fracture; good toughness, but green tourmaline will become brittle after heat treatment.
3, put the tourmaline on a glass and scratch it, leaving a scratch on the crossed glass, such as no scratches on the glass, indicating that the tourmaline is fake.
4, in the professional testing agency, the identification of tourmaline is generally the use of heavy liquid and polarizer, the accuracy is relatively high.
How does blue tourmaline identify pros and cons?
1, color
Pure blue is the best.
2, clarity
It is required to have as few internal flaws as possible, and the crystal clear tourmaline is the most expensive. The tourmaline containing many cracks and gas-liquid inclusions is usually used as a jade carving material.
3, weight
The higher the weight, the higher the price.
4, cut
The cutting should be regular, the ratio is symmetrical, and the polishing is good. Otherwise it will affect the value.
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