Freshwater pearls are formed in mollusks that live in lakes or rivers rather than ocean-dwelling oysters. The vast majority of pearls on the market today are cultured.
Generally, the mollusk secretes a lustrous substance made of calcium carbonate, known as nacre. The nacre is slowly deposited over a particle, bead, tissue, (or any type of irritant that makes its way into the mollusk) until it forms the shiny, milky-colored pearls we all love to wear. One hallmark of freshwater pearls is that they are typically smaller and more uniquely shaped than saltwater pearls. The common sizes are from 2mm through 12mm and the nature color mostly like white, rose pink and purple pink. [Read More]