NON-NUCLEATED PEARLS
A type of cultured pearl grown by the insertion of a piece of the mantle of a
Japanese fresh-water mussel. Such pieces are generally whitish and are in the
form of a bouton pearl.
A type of cultured pearl grown by the insertion of a piece of the mantle of a
Japanese fresh-water mussel. Such pieces are generally whitish and are in the
form of a bouton pearl.