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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SiO2 does NOT react to dilute, cold, HCl (acid)
Image credit: Scott Brande, CC4.0 License
Resources: chert
Image Galleries
Other Resources
Mindat.org: About chert
minerals and mining chert in Minerals Education Coalition