How do you know if a pearl is fake or real? Whether your grandmother’s pearls that you inherited are the real thing or just a treasured memory without monetary value?

You do the tooth test.

You rub the pearls along the biting edge of your upper front teeth as if you were going to take a bite. (But don’t do that. If they are real, think of the money you’ll be throwing away.)

If the pearls feel a bit rough, gritty or sandy, they are probably real. Maybe cultured, but those are real pearls, simply grown in a pearl farm instead of in the wild ocean.

On the other hand, if they are glassy feeling and very smooth, they are probably fake.

This works because real pearls grow in layers that are called nacre. Kind of like the rings on a tree can be seen, each layer on a true pearl can be felt.

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