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Rocks
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Igneous
Andesite Andesite
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Basalt Basalt
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Ferrar Dolorite Ferrar Dolorite
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Granite Granite
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Obsidian Obsidian
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Pegmatite Pegmatite
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Porphyry Porphyry
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Pumice Pumice
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Rhyolite Rhyolite
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Scoria Scoria
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Tuff Tuff
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Sedimentary
Bituminous Coal Bituminous Coal
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Chert Chert
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Concretion Concretion
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Conglomerate Conglomerate
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Dolomite Dolomite (rock form)
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Limestone Limestone
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Oolitic Limestone Oolitic Limestone
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Sandstone Sandstone
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Shale Shale
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Travertine Travertine
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Metamorphic
Amphibolite Amphibolite
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Anthracite Anthracite
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Garnet Schist Garnet Schist
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Gneiss Gneiss
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Marble Marble
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Mica Schist Mica Schist
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Quartzite Quartzite
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Slate Slate
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