The varying states of the oxide of iron

“Ours is emphatically the iron age; and it may be confidently asserted that no other element has contributed so largely to the civilization and happiness, and may we not also add, paradoxically as it may seem, to the misery of mankind…”
-Percy 1864

MA specular hematite
MT hematite
VT limonite
NH magnetite
VA limonite
NY magnetite

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