Hematite Facts

Hematite Facts

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Hematite Facts

Chemical Composition It is iron oxide and the chemical formula is Fe2O3.
Colours Steel or silver gray, black, orange, red and brown. Some common shades are blackish gray, brownish red, reddish gray, blackish red.
Streak Blood red to brownish red.
Refractive Index 2.87 – 3.15
Specific Gravity 4.95 – 5.26
Luster Metallic or earthy luster.
Solid State Opaque.
Crystal System Trigonal crystal system.
Hardness Varies between 5.5 – 6.5
Cleavage None
Fractures Uneven.
Tenacity Brittle
Luminescence None
Birefringence 0.28
Enhancement No enhancement performed.
Source United Kingdom, United States, Brazil, Italy, Canada, Newfoundland Germany, Norway, Sweden, Spain, New Zealand, Mexico and Australia.
Precautions Only general gemstone precautions are required.
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