Hematite Facts

    Hematite Facts

    Hematite Facts

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    Hematite Facts

    Chemical CompositionIt is iron oxide and the chemical formula is Fe2O3.
    ColoursSteel or silver gray, black, orange, red and brown. Some common shades are blackish gray, brownish red, reddish gray, blackish red.
    StreakBlood red to brownish red.
    Refractive Index2.87 – 3.15
    Specific Gravity4.95 – 5.26
    LusterMetallic or earthy luster.
    Solid StateOpaque.
    Crystal SystemTrigonal crystal system.
    HardnessVaries between 5.5 – 6.5
    CleavageNone
    FracturesUneven.
    TenacityBrittle
    LuminescenceNone
    Birefringence0.28
    EnhancementNo enhancement performed.
    SourceUnited Kingdom, United States, Brazil, Italy, Canada, Newfoundland Germany, Norway, Sweden, Spain, New Zealand, Mexico and Australia.
    PrecautionsOnly general gemstone precautions are required.
    admin March 9, 2016 Hematite