Gold Ruby Necklace Set 21

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 Nácar, the pearls from these rainbow lipped oysters fluoresce red under ultraviolet...

Sapphire Gold Necklace Set 20

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...

Ruby Necklace 19

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...