How Cultured Pearls Are Produced Guaymas, Mexico

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A very popular excursion in the Guaymas area for Rvers is a visit to the Perlas del Mar de Cortez pearl farm. It is at ITESM better known as Tec de Monterrey. Tec de Monterrey, an educational institution located inside a beautiful and tranquil bay, known as Bacochibampo Bay, Sea of Cortez. It is the first pearl farm in the region that shows the possibility of continued commercial success and has stirred a lot of excitement.

How do you make a pearl? Mexican pearls are born out of two native pearl oysters, the Panamic Black-Lipped Pearl Oyster and the Rainbow-Lipped Pearl Oyster. Pick a recipient oyster around 2 years old that is larger and older than the donor oyster. Select a donor oyster for its pearl characteristics, such as color and luster that they might impart to the cultured pearl. Now the delicate work begins. Like a surgeon performing delicate surgery a pearl technician begins the grafting process. The technician will use an assortment of surgical tools. He takes tissue from the donor pearl oyster, cuts it into small pieces and grafts it into several dozen recipient oysters. Once the implants are done the oysters are suspended at a depth of 6 to 7 feet from the water surface in pocket like nets or rope chaplets.

It will take about two years before the oysters are harvested. Will all of the implants produce pearls? Only about 20% will produce saleable cultured pearls. There are various estimates that put the yearly production of cultured pearls from this factory at around 10,000. Now you can understand why Mexican pearls are the rarest in the world and some of the most expensive.

Look at the various types of pearls that the farm produces:

Mabe or Half Pearl. This pearl is formed when one (or more) nucleus is attached between the oysters shell and its mantle. The oyster reacts to this intruder by coating it with nacre, the substance that makes up the pearl. The shell is cut from the pearl and replaced with a backing made of mother of pearl. Mabe pearls, due to their unique shapes, result in some unique jewelry creations.

Loose Pearls. The pearls most people instantly identify with the word pearl. They are not perfectly round but are in many other shapes. The reason for this is that without the use of a round shell nucleus bead, it is virtually impossible to obtain a fully round pearl.

Keshi Pearls. Keshi in Japanese means poppy seed. You'll find them in different sizes, shapes and colorations. They are highly sought after by designers seeking a new and refreshing look in their jewelry designs.

While the tour is free a stop in the gift shop could result in a thinner wallet.

About the Author:
Dick I is an active RVer, having traveled extensively in U.S, Canada and served as a wagon master for the Piggy Back train through Mexico"'s Copper Canyon. He is joined by his wife Nancy and their two Boston Terriers, Samantha & Marco Polo. Learn more about the RV lifestyle by viewing our travel photos, RV tips, and unique RV destinations. Get a free copy of the Grilling Cookbook by visiting http://www.irvrvs.com/ RVing the RV lifestyle .

Article Originally Published On: http://www.articlesnatch.com

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