Magnetite (Sample #30)
Colour: Black to silvery grey
Hardness: 5 - 6.5
Streak: Black
Luster: Metallic
Magnetic: Yes, to will attract any magnet
Conductive: Yes
Cleavage: None
Relative Density: 5.2
Distinguishing Characteristics: It will attract a magnet and it is the easiest test to confirm identity. It also has the highest iron content of any ore.
Uses: It is used to make magnets, as the most important ore for iron. It is also used to study the earth's magnetic field.
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