For at least 164,000 years, oysters have been part of the human diet, but people have been finding pearls in oysters for much ...

Japan's akoya oysters have been preëminent among cultured pearls ever since Kokichi Mikimoto first established the industry in the early part of this century. But since 1994, something has been ...

This triggers the oyster's defense response, and it starts coating that piece of tissue with nacre. The vast majority of pearls on the market are cultured pearls. The Gemological Institute of ...

Before the creation of cultured pearls in the early 1900s ... During the long history of pearls, the principal oyster beds lay in the Persian Gulf, along the coasts of India and Ceylon (now ...

The oyster or mussel slowly secretes layers of aragonite and ... which encases the irritant and protects the mollusc from it. When pearls are cultured commercially an irritant is manually inserted ...

An curved arrow pointing right. South Sea pearls are the largest cultured-pearl variety, sometimes reaching over 20 millimeters in diameter. The Pinctada maxima oyster can take up to five years to ...

This triggers the oyster's defense response, and it starts coating that piece of tissue with nacre. The vast majority of pearls on the market are cultured pearls. The Gemological Institute of ...

Pearls within a pearl oyster shell. Pearl oysters are important products in Japan, as they produce beautiful pearls that are sought after for necklaces, earrings, and rings. Disclaimer ...