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2. Cultured freshwater pearls - Wikipedia

   en.wikipedia.org/wiki/Cultured_freshwater_pearls

   Cultured freshwater pearls are pearls that are farmed and created using freshwater mussels. These pearls are produced in Japan and the United States on a limited scale, but are now almost exclusively produced in China. The U.S. Federal Trade Commission requires that farmed freshwater pearls be referred to as "freshwater cultured pearls" in ...

3. Baroque pearl - Wikipedia

   en.wikipedia.org/wiki/Baroque_pearl

   Cultured freshwater pearls are affordable and lend themselves well to various pearl jewelry designs. Pearl jewelry stores may bleach or dye freshwater cultured pearls after harvesting to enhance their color. The most valuable baroque pearls are the South Sea and the Tahitian pearls, which are produced by Pinctada margaritifera (black-lipped ...

4. Pearl - Wikipedia

   en.wikipedia.org/wiki/Pearl

   These wild pearls are referred to as natural pearls. Cultured or farmed pearls from pearl oysters and freshwater mussels make up the majority of those currently sold. Imitation pearls are also widely sold in inexpensive jewelry. Pearls have been harvested and cultivated primarily for use in jewelry but in the past were also used to adorn ...

5. Freshwater pearl mussel - Wikipedia

   en.wikipedia.org/wiki/Freshwater_pearl_mussel

   The freshwater pearl mussel (Margaritifera margaritifera) is an endangered species of freshwater mussel, an aquatic bivalve mollusc in the family Margaritiferidae.. Although the name "freshwater pearl mussel" is often used for this species, other freshwater mussel species (e.g. Margaritifera auricularia) can also create pearls and some can also be used as a source of mother of pearl.

6. Abernethy pearl - Wikipedia

   en.wikipedia.org/wiki/Abernethy_pearl

   The River Tay, where the pearl was discovered. The Abernethy pearl, also known as the Little Willie pearl, is a 43.60-grain (2.825 g) freshwater pearl [1] named after William Abernethy (1925–2021), who discovered it in Perth, Scotland, in the River Tay in 1967. [2] [3] It is also known as Bill's pearl. [1]

7. Western pearlshell - Wikipedia

   en.wikipedia.org/wiki/Western_pearlshell

   The western pearlshell (Margaritifera falcata) is a species of freshwater bivalve, a pearl mussel, a bivalve mollusk in the family Margaritiferidae. This species can be found only in the United States and Canada, where it occurs mostly west of the Rocky Mountains .