How to Tell If a Shark Tooth Is Real

Written by judith willson Google
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How to Tell If a Shark Tooth Is Real
Genuine shark teeth have a few distinguishing characteristics. (Hemera Technologies/PhotoObjects.net/Getty Images)

Sharks lose thousands of teeth while they are alive, as they are constantly growing new ones. Their teeth, being tougher than their cartilaginous skeletons, remain in the environment long after they drop out or the shark dies, and some fossilise. This means there is no shortage of real old and new shark teeth in the world. However, fake ones do exist. In some cases, such as new-looking teeth from endangered species like the great white shark, it is in fact better to buy fakes. In other situations you might be disappointed to discover that the "fossilised shark tooth" you bought is actually made of plastic. Telling the difference is straightforward in most cases. Shark teeth are not so valuable that many sellers will spend time or money on creating high quality fakes. Most fake shark teeth are openly sold as such, and real ones aren't normally worth much more.

Skill level:
Moderately Easy

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Things you need

  • Guide to shark teeth
  • Magnifying glass

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Instructions

  1. 1

    Visit a museum with an extensive collection of shark teeth. This is the best way to get a good idea of what real ones look like.

  2. 2

    Look up the kind of shark tooth you are most interested in buying and their distinguishing features, such as general shape and distinctive grooves. Guides are available online or for sale in shark tooth hotspots. A tooth that doesn't look anything like the pictures may be a fake, or more likely a tooth misidentified by the seller.

  3. 3

    Touch the tooth you are unsure about. Crude plastic imitations may feel slightly warm, while the stone of fossils feels cold.

  4. 4

    Examine the tooth you want to check with a magnifying glass. Real teeth, especially fossilised ones, are full of imperfections, chips and irregularities. A very smooth, perfect tooth may be a fake.

  5. 5

    Take the tooth to an expert at a local museum or university to get a definitive answer and identification. If you bought the tooth from a physical shop, rather than online, not only is it most likely real, but you can return it if it does turn out to be a fake.

Tips and warnings

  • Hunting for your own shark teeth means you can be pretty certain the teeth you find are neither fake nor derived from the killing of an endangered species. It might also make the necklace or other item you create more personal and meaningful to you or the recipient, if it is to be a gift. New and fossilised shark teeth are plentiful throughout the United States and beyond.

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