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Cobalt

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by

Taylor Barker

on 18 October 2013

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Transcript of Cobalt

Cobalt
By: Taylor Barker

Chemical Formula: CoAsS
Color
Mineral Group
The mineral group is a transition metal.
Streak
The streak of Cobalt is blue.
Hardness
The hardness of Cobalt is 5 to 5 1/2.
Luster
The luster of Cobalt is metallic.
Specific Gravity (Density)
The specific gravity or density of Cobalt is at an 8.9.
Cleavage
Cobalt has perfect cleavage.
Transparency
Cobalt is opaque.
Fracture
Cobalt has an uneven fracture.
Unique Quality
Cobalt is magnetic.
The color of Cobalt is a steel grey.
Important uses: Jet engines,
chemicals, magnets, and
cemented carbides used for cutting tools.
Sources: galleries.com/cobalt
mineralseducationcoalition.org/minerals/cobalt
Mrs. Beecham's rock book.
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