Among the millions of bivalve molluscs in the Museum's collections, one specimen stands out: a large oyster shell, donated to the Museum in 1886 and containing a peculiar pearl. Rather than a ...

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 ...

Mother-of-pearl is the hard, silvery, internal layer of several kinds of shells, especially oysters, the large varieties of which in the Indian Seas secrete this coat of sufficient thickness to ...

An curved arrow pointing right. At Pearl Factory, customers can handpick their very own oyster. Once they've opened the oyster, they can create jewelry with their pearl. More from Entertainment At ...