A pearl is a hard object produced within the soft tissue of a living shelled mollusk. A pearl is composed of calcium carbonate in minute crystalline form, which has been deposited in concentric layers. Continue reading Pearls Formed in Seashells
A pearl is a hard object produced within the soft tissue of a living shelled mollusk. A pearl is composed of calcium carbonate in minute crystalline form, which has been deposited in concentric layers. Continue reading Pearls Formed in Seashells