My friend just found this on his farm. Check out the viens! Is it normal for them to be sharp on both ends?
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GTK96 said:I think banding in hematite (correct me if im wrong) means that it formed during the Precambrian age which makes it older than normal hematite, and among the oldest rock in the world....the bands were due to oxygen being released by the first oxygen-producing organisms to inhabit the earth called stromatolites, which were blobs of algae, which "layered" overtop the normally iron rich layers of the rock
Oh yeah, and cool find de0e