Only oysters of the Ostreidae family can make pearls, but many other types of mollusks can produce these gems, such as ...

The oyster or mussel slowly secretes layers of aragonite and conchiolin, materials that also make up its shell. This creates a material called nacre, also known as mother-of-pearl, which encases the ...

Third party analytics cookies to understand how visitors use our websites so we can make them better ... together with other information (e.g. browser type and information, language, screen ...