chert

Image credit: James St. John

chert - Explore in 3D

Explore geologic features of chert in an archaeological artifact.

  • conchoidal fracture

  • concave surfaces

  • sharp edges

  • microcrystalline texture

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chert

Take 2 minutes to review definition & features

You'll thank me for this later!

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chert

Image credit: James St. John

Click image to enlarge.

SiO2 does NOT react to dilute, cold, HCl (acid)

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SiO2 hardness about 7

Image credit: Scott Brande, CC4.0 License

Click image to enlarge.

Resources: chert

Image Galleries

  • Flickr Image gallery, James St. John: chert

  • Mindat.org image gallery: chert

  • Google images: chert

Other Resources