Saltwater pearls versus freshwater pearls. There are so many differences in the way saltwater and freshwater pearls are cultured, produced and their different aquatic environments. However, the truth is there is truly only one difference in these two types of pearls. You can discover this difference by looking at two natural pearls: one saltwater and one freshwater. The only way to tell the difference in these types of pearls is to discover their chemical composition. Here is more info.
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