A clam that a Portsmouth, R.I. couple thought was rotten turned out to hold a rare gem: a purple pearl that ... the American Museum of Natural History's international pearl exhibit, now in Japan.

Zhan seemed more proud of an innovation he called Edison pearls—orbs that come in vivid purple, pink and bronze, bright hues seldom seen before except in dyed pearls, and in sizes of up to three ...

A vacationer found a rare, purple pearl at a Delaware restaurant ... of American confirmed for Overland he had found a natural pearl, who then had it appraised by Joshua Hyman, a fourth-generation ...

A woman from Issaquah, Washington, recently bit down on a rare purple Quahog pearl while ... he believed the chances of finding a natural, gem-quality pearl like the one Hasz found is probably ...