Hematite
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Hematite, also spelled as haematite, is a common iron oxide compound with the formula Fe2O3 and is widely found in rocks and soils. Hematite crystals belong to the rhombohedral lattice system which is
Hematite crystals from Brazil
Crystal structure of hematite
Image mosaic from the Mars Exploration Rover Microscopic Imager shows hematite spherules partly embedded in rock at the Opportunity landing site. Image is around 5 cm (2 in) across.
A rare pseudo-scalenohedral crystal habit
Iron(III) oxide
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Iron oxide or ferric oxide is the inorganic compound with the formula Fe2O3. It occurs in nature as the mineral hematite, which serves as the primary source of iron for the steel industry. It is also
Hematite
…Hematite ( HE(E)M-ə-tyte), also spelled as haematite, is a common iron oxide compound with the formula Fe2O3 and is widely found in rocks and soils. Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of Fe 2O…
Sample of iron(III) oxide
Iron(III) oxide in a vial
Iron oxide red y
Iron oxide yellow