Freshwater Pearls and Saltwater Pearls

– What are the differences that you notice between the mollusks? The growing methods are all the same?

Shellfish and Cultured Pearls

Oysters Sea and Freshwater Mussels

The fresh water mollusks (pearls of lakes and rivers) and those of salt water (sea pearls) are both able to produce cultured pearls.

The bivalve molluscs that produce saltwater cultured pearls are chiamatati oysters while those that produce freshwater cultured pearls are identified by the name of mussels.Freshwater Pearls and Saltwater Pearls 1

Nucleation of Molluscs

Freshwater Molluscs

A mussel can accept up to 50 nucleation (nucleation of freshwater mussels, through greffon, it is the insertion of tissue parts from a donor mantle, he mollusk) and produces up to 40 freshwater pearls.

Saltwater Shellfish

Akoya oyster accepts up to 5 cores (small balls) and get to an annuity that goes up to 5 cultured pearls. However, know that the oysters of tahiti and her cousins ​​south sea (australia) only accept a single core. In fact, produce a single cultured pearl for nucleation.

Pearls Growth

The period of growth of freshwater pearls varies between two and six years. The sea pearls, faster in their development, they need a period ranging from six to twenty months.Among the freshwater mussel farms, a part of the mussel life cycle depends on the presence of wild fish or farms.Freshwater Pearls and Saltwater Pearls 2

Pearl Farming

Cultured freshwater pearls

In the moment when the seminal fluid of a mussel reaches an egg, a larva form called glochidia. At first, the glochidia can not survive on their own, then you place in the gills and fins of the fish.

Cultivation of Sea Water Pearls

The previous method was not detected in the oyster lifecycle. In fact, the breeders of sea pearls do not need the production environment fish. Many species of fish water of the sea feed on oysters, even resulting in a threat.

Differences between the Cultured Pearls

Not just the shellfish farms and their farming methods which i differ. We also find variations among the cultured pearls themselves.

With wearing tips from cachedjewelry, freshwater pearls (nucleated with the help of organic matter) are composed almost entirely of nacre. Instead, the sea pearls (nucleated with the help of a ” ball “) possess one of nacre layer between 0.2mm and 3mm.

Being (molluscs freshwater pearls) nucleated with a piece of tissue from the mantle of another mollusk, pearls are rarely spherical. Only 2% of water pearls are round or nearly round shape.

In parallel, in the sea breeders nucleate the oysters with the help of round balls (nuclei). This generates almost round beads in 80% of cases.Freshwater Pearls and Saltwater Pearls 3

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