Fluorescence from Pearls of Freshwater Bivalves and Its Contribution to the Distinction of Mother Oysters Used in Pearl Culture

Fluorescence from Pearls and Shells of Black Lip Oyster, Pinctada Margaritifera, and Its Contribution to the Distinction of Mother Oysters Used in Pearl Culture

Fluorescence from Pearls to Distinguish Mother Oysters Used in Pearl Culture

New developments in cultured pearl production: use of organic and baroque shell nuclei

Cultured pearls can be produced both with and without a nucleus. Marine pearl oysters that produce Akoya, South Sea and Tahitian cultured pearls typically use nuclei for their pearl products. The nucleus material used for these beaded cultured pearls is traditionally from freshwater Mississippi mussels. In recent years, there have been a number of attempts to use alternative pearl and shell mat...

Population dynamic of pearl oyster pinctada radiata in 2 habitats of Lavan Island, Persian Gulf

As pearling has been banned since 2006 in Persian Gulf, growth and mortality rate of Mohar pearl oyster in its old habitats was surveyed in present research. For early survey and identification of habitats of Mohar pearl oyster Pinctada radiata, primary sea tours in coastal waters of Lavan Island, were done. Two habitats were identified and sampled seasonally from autumn 2011 to summer 2012, to...

What Makes a Healthy Environment for Native Freshwater Mussels?

Freshwater mussels are mollusks-close relatives of clams, oysters, and saltwater mussels. Many species of freshwater mussels can live for 20 to 30 years, and individuals of some species live for more than 100 years. Freshwater mussels have been valued by humans throughout history. They can produce pearls, and their shells can be used to make buttons for clothing or to serve as seedstock for the...