Is Chert the sedimentary rock the same as chert the mineral?
chert isn't mineral, massive agglomeration of finely crystalline quartz, although includes hydrated quartz mineraloids. chert rock, not mineral, although used descriptively term replace "finely crystalline microcrystalline quartz". wouldn't called chert nodules in sedimentary rock sedimentary rock in itself, wouldn't mineral. descriptive term. exists discrete beds, can considered sedimentary rock type.
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