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Thursday, May 10, 2018

Gold Ruby Necklace Set 21

Gold Ruby Necklace Set 


By Aamir Mannan.
A farm in the Gulf of California, Mexico, is culturing pearls from the black lipped Pinctada mazatlanica oysters and the rainbow lipped Pteria sterna oysters.[16] Also called Concha NĂ¡car, the pearls from these rainbow lipped oysters fluoresce red under ultraviolet light.

Monday, May 7, 2018

Sapphire Gold Necklace Set 20

Sapphire Gold Necklace Set 


By Aamir Mannan.
For thousands of years, seawater pearls were retrieved by divers in the Indian Ocean in areas such as the Persian Gulf, the Red Sea[citation needed], and the Gulf of Mannar. Starting in the Han Dynasty (206 BC–220 AD), the Chinese hunted extensively for seawater pearls in the South China Sea.[citation needed] In the 14th-century Arabian Sea, the traveller Ibn Battuta provided the earliest known description of pearl diving by means of attaching a cord to the diver's waist.[citation needed]

Thursday, May 3, 2018

Ruby Necklace 19

Ruby Necklace 

By Aamir Mannan.
The largest pearl known was found in the Philippines in 1934 and is known as the Pearl of Lao Tzu. It is a naturally-occurring, non-nacreous, calcareous concretion (pearl) from a giant clam. Because it did not grow in a pearl oyster it is not pearly; instead the surface is glossy like porcelain. Other pearls from giant clams are known to exist, but this is a particularly large one, weighing 14 lb (6.4 kg).