freshwater pearl

American  

noun

1. any of the small pearls produced especially by freshwater mussels.

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Example Sentences

All three rivers are protected for their importance to rare wildlife, including otters, freshwater pearl mussels and the Atlantic salmon.

From BBC

The collection from the late California Sen. Dianne Feinstein that goes to auction in Los Angeles in October includes a freshwater pearl necklace designed for Tiffany & Co. by Paloma Picasso, the daughter of Pablo Picasso.

From Los Angeles Times

Weighing 43.6 grains, it is the largest freshwater pearl found in Scotland in modern history, although it is smaller than the Kellie Pearl which was discovered in the 1540s and is set in the Scottish Crown.

From BBC

The largest Scottish freshwater pearl found in living memory is being auctioned, nearly six decades after its discovery.

From BBC

It will also protect and promote strongholds of species like freshwater pearl mussels, pine marten and curlew.

From BBC