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Home / Gem Library / Gemstones Varieties / Freshwater Pearls July 31, 2010

Natural Freshwater Pearls

Freshwater pearls occur in mussels for the same reason salt water pearls occur in oysters. A parasite or a sharp object enters a mussel and cannot be expelled. To reduce the irritation, the mollusk coats the foreign material with the same secretion it uses for shell building, nacre. To culture freshwater mussels, small pieces of live mantle tissue from another mollusk are inserted into the mantle tissue of the host. In freshwater pearls, the insertion alone is sufficient to initiate the production of nacre. Most cultured freshwater pearls are composed entirely of nacre.


  • There are 293 Freshwater Pearls gemstones available at Multicolour.com
  • Freshwater Pearls(s) are organized in the following categories: CalibratedCloseoutMixed LotPairSingle,  gemstones.
  • Our most expensive Freshwater Pearls is USD 129.00 and largest Freshwater Pearls weight is CTS 468.00.
  • Our cheapest Freshwater Pearls is USD 0.20 and smallest Freshwater Pearls weight is CTS 0.97.

Find your Freshwater Pearls

Our Freshwater Pearls(s) are available in various shapes, sizes and colors. 293 Freshwater Pearls(s), too many to look through? You may select any combination of search options. .

Shape Length (mm) Width (mm)
Category Weight (cts) Price (USD)





Freshwater Pearls Profile

Color information: orange, pink, white, gray, light purple, rose, black, brown, gold, yellow, silvery, green, blue, bronze.
Chemical Composition: CaCO3
Hardness: 2.5 - 4.0
Density: 2.66 – 2.78+
Crystal Group: Not applicable
Ocurrence: China, Japan
Sign of the Zodiac: Cancer
Month of the year: June
Freshwater Pearls Freshwater Pearls

The Chinese were the first to culture freshwater pearls and used their techniques to produce shell mabe type pearls in the shape of a Buddha. The first actual cultured freshwater pearls were produced in Lake Biwa, Japan and the initial production appeared in the 1930’s. The production thrived for almost 50 years and finally began to decline because of pollutants from the farms, resorts and industries around the lake.

The bulk of today’s freshwater pearl production occurs in China. With plentiful and inexpensive labor along with innovative technologies and a huge landmass with countless available lakes, rivers and irrigation ditches China has moved to the forefront of freshwater pearl production. The shapes, luster, and colors of the most recent Chinese production often match an even surpass the original Lake Biwa quality.

Care and Cleaning

Chemicals Reaction: Attacked by many chemicals and all acids, hair spray, perfume, cosmetics, and even acid perspiration can damage nacre.

Ultrasonic Cleaning: Never

Steam cleaning: Never

Warm, Soapy Water: Safe for occasional, thorough cleaning ( if strung, be sure the string is completely dry before wearing). For continued care, wipe cultered pearls with a very soft, clean cloth after each wearing.

Pearls are said to help one see themselves and help improve self-worth. Giving a loved one a gift of pearls is one of the nicest gifts one can give. It allows the wearer to see the love of the person who gave them the pearls.

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Freshwater Pearls range/
Freshwater Pearls Single
Freshwater Pearls Single Baroque Opaque
Size: 28.40 X 26.80 MM
Weight: 60.11 CTS
Shape: Baroque
Clarity: Opaque
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 129.00
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Freshwater Pearls Calibrated
Freshwater Pearls Calibrated Button Opaque
Size: 5.50 X 5.50 MM
Weight: 1.14 CTS
Shape: Button
Clarity: Opaque
Usually ships within 24 hours
RECOMMENDED
OUR PRICE
USD 0.20
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