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It has a metallic luster. It has no cleavage (the way a mineral breaks) but does have a fracture. The fracture is irregular and uneven. Hematite on the hardness scale is 5 to 6. It has a bright red to dark red streak. To find the streak, you take the mineral and run it across a plate of unglazed porcelain. The colors vary from metallic gray to a dark, rough and earthy red color. Hematite has a chemical formula of Fe2O3.
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