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Related articles:
Agate
Chalcedony
Chalk
Diagenesis
Flint
Jasper
Limestone
Onyx
Opal
Quartzite
Stone tool
Key terms: agate banded beds chalcedony chalk chert common chert cone construction contain cryptocrystalline deposits diatomaceous chert fig tree flake flint formations forms fossils iron jasper layers limestone formations lithic occurs opal precambrian primary quality quartz replacement rocks sedimentary silex silica siliceous struck terms tool varieties of chert variety variety of chert Search external links cited by footnotes on Wikipedia page Chert: |
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