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About Pearl

Pearls are products of bivalve mollusks (mainly oysters and mussels). They are built up of nacre (mother-of-pearl), which is mainly calcium carbonate in the form of aragonite crystals, and an organic horn substance known as conchiolin that binds the microcrystals concentrically around an irritant. Although pearls are not especially hard, only about 2.5 to 4.5 on the Mohs scale, they are extraordinarily compact and very difficult to crush.

The typical pearly luster is produced by the overlapping platelets of aragonite and film of conchiolin nearest to the pearl surface. The color of pearl varies with the type of mollusk and the water, and is dependent on the color of the upper conchiolin layer. Pearls may be natural (occurring without human intervention) or cultured; and they may occur in the ocean or in freshwater.

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Gem select has a great selection of Gems, very defined pictures of item and easy process to filter down selection including, gem, color, type, size and weight.

发布者 KingFarm in February, 2021

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A beautiful displayed picture of gemsLike being a kid in a candy store

发布者 Diamond lil in February, 2021

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I had a limited budget and wanted a star ruby. GemSelect offered small, but pretty stones at a very reasonable price. I've always been satisfied with my GemSelect purchases, although there are also eBay vendors I use for less expensive gems. Their selection of more expensive stones, like rubies, is very limited, however.

发布者 Dr S in February, 2021

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综合评分 -> 8

I decided recently to start a gemstone collection! I searched online for a reputable gem merchant and found gem select! Their selection is gorgeous and I’m excited to receive my first package! Checkout was a breeze!

发布者 Chris in February, 2021

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I WAS ABLE TO FIND THE GEM I NEEDED TO MOUNT ON A SPECIFIC RING. THANK YOU

发布者 E's! Review in February, 2021

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综合评分 -> 10

I spent hours on looking at so many different gems and there’s so much variety to choose from it’s like a kid at the candy store.

发布者 HiddenGem in February, 2021

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球形 灰色 珍珠

About Pearl

Article Categories

Gemstone Information A-Z

Birthstones By Month

宝石的历史

治疗宝石

Buying Gemstones

How-to Articles

Charts and Lists

按颜色显示宝石

Did You Know?

Gem Info by Region

Technical Information on Gemstones

Gemstones By Date

Buy 珍珠宝石

花式切割灰色珍珠

球形粉紅色珍珠

球形灰色珍珠

球形灰色珍珠

球形粉紅色珍珠

球形灰色珍珠

球形金色珍珠

球形金色珍珠

花式切割灰色珍珠

球形粉紅色珍珠

球形灰色珍珠

球形粉紅色珍珠

球形棕色珍珠

球形粉紅色珍珠

球形灰色珍珠

球形金色珍珠

球形灰色珍珠

球形金色珍珠

球形粉紅色珍珠

球形灰色珍珠

球形灰色珍珠