anthracite

Image credit: James St. John

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mineral precipitates

CaCO3

fossiliferous limestone coquina oolite travertine

limestone breccia micrite chalk

(Ca,Mg)(CO3)2 dolostone

SiO2 diatomite chert

Fe2O3 ironstone

clastic

conglomerate breccia sandstone shale

organic carbon

peat lignite bituminous coal anthracite

anthracite

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Resources: anthracite

Image Galleries

• Mindat.org image gallery: anthracite

• Google images: anthracite

Other Resources

• Mindat.org: About anthracite

• Sandatlas: anthracite

• Indiana Center for Coal Technology Research: coal characteristics