Abalone
An abalone is a large, univalve mollusk. It is essentially a sea snail — or gastropod mollusk in the Haliotidae family. Abalone pearls are found naturally in a wide variety of colors: shades of blue, pink, purple, green, silver, or, occasionally, cream.
Conch
A conch is a large marine snail, a gastropod mollusk. Beautiful colored pearls have been found in the queen conch (Strombus gigas) even though this mollusk does not produce nacre. These “non-nacreous pearls” are often pink, but may be orange, yellow, white, purple, or brown.
Giant clam
Although rare, giant clams can produce giant pearls (around the size of softballs!). These clams are the largest of all mollusks and in the family Tridacnidae. Their pearls are generally white or cream, but may be light pink or…
