This kind of pearl is actually an important variety of dark series, high quality pearls that are rare in color development, according to the Beijing Gaowang Pearl Room Appraisal Institute. Legend has it that when a drop of dew drops into the sea, if it is just caught by an open seashell, it can form a crystal pearl. If the weather is not good, the dewdrops that reflect the gray sky form a black pearl, which has been circulating since the 15th century. Although it failed to explain the cause of pearls, it shows that people understand black pearls as a special species.
The body color of high-quality black pearls is mainly malachite green and steel gray. Black pearls are popular after the 1970s. Previously, only very rare natural black pearls were obtained, which were not weathered due to the low yield. In 1965, the Japanese cultured pearl expert successfully developed the black butterfly shell culture technique in Australia, and the colors produced from green to black pearls. Commercial production has been achieved. However, the pearls raised by the black butterfly shell are not all black pearls, and the black pearls that reach the gem level are even less.
At present, Black Pearl has only two major natural origins; one is the Tahiti Island of the Polynesian Islands, which produces 95% of the world's black pearls; the other is the Penglin Island and Majuhiki Island of the Cook Islands, which account for the total output. 4%. These two regions live together in the south-central Pacific Ocean, so it is also known as the Black Pearl. The annual production of quality black pearls is estimated to be no more than 150,000, of which 40% are sold through the annual international auction. Most black pearls have a particle size between 9mm and 10mm, and more than 60% of the black pearls have a particle size of no more than 11mm. Therefore, 11mm is generally used as the limit of the treasure of black pearls, and fine round black pearls of 15mm or more are very rare, and there is no market price for reference. Black Nanyang beads are more expensive, and there are more necklaces, rings and earrings.
The cause of black pearl color: a theory is that pearl shellfish live in seawater containing certain minerals and trace black elements such as iron, titanium, vanadium, manganese; another theory is that the shell surface of the pearl has a high content of keratin, ie organic matter The composition has a high carbon content. It is caused by the richness of pearls cracked by other colors, but in any case, the formation of black pearls is not related to anaerobic, it is formed under special circumstances.
Guangzhou Dandy sporting goods Ltd which is located in Guangzhou city, China, is a professional manufacturer specializing in producing and creating sportswear based on clients` requirement. We have our own factory and office. It occupied more than 500 square metres and have more than 150 employees. We mainly handle export of garments from Cheer Uniforms, leotards, Soccer Kits, rugby kits, basketball kits, tracksuit and other practice wears for more than five years with high quality but competitive price. With importing machines, ink, crystals, etc. , we did specialize in sublimated sportswear and all stars dance wears. Moreover, we provide OEM/ODM service for each clients with custom design, color, size fabric, etc. With rapid respond, cost effecitive and high quality jerseys and professional recommendation on apparels we have a strong customer base. With the solid production, rich experience and advanced manufacturing process, we had previously cooperated with many brands and clients from all over the world.
All star cheerleading uniform: it's made from 250gsm/260gsm lycra and some popular mystique fabric and custom mesh fabric.The prices are based on the custom design and fabric required. It's around $ 30 -$70. Basically, all stars cheer uniforms differentiate from traditional cheer uniforms. Basically, all stars cheer uniforms are for all star cheer team and grand competition which are mainly made from mystique mixed with lycra in various colors. Cheerleader will sparkle in the uniform with different patterns rhinestones.
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