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Chert
| Chert | |
|---|---|
[[ |250px]] | |
| Type | Quartz |
| Composition | |
| Minerals | {{{minerals}}} |
Chert is a form of microcrystaline quartz. It is found rarely as layers, but more commonly as nodules in sedimentary rocks, many times as a secondary precipitate. It is of anthropological importance, because it was commonly used as a source for tools and weapons by the Native Americans.
