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Jet
Jet

Brookite
Brookite



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Jet
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Brookite

Jet and Brookite Physical Properties

Jet
Jet
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Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

1.19-1.353.87-4.14
1 7.18
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Fracture

ConchoidalWalter Schumann
Subconchoidal, Conchoidal

Cleavage

None
Poor on {120}, in traces on {001}

Mohs Hardness

2.5-45.5-6
2 10
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Chemical Composition

C
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Jet and Brookite Chemical Formula

While comparing Jet and Brookite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Jet and Brookite chemical formula.

  • Chemical formula of Jet- C
  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Jet and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Jet and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Jet and Brookite Optical Properties during the identification of gemstone. Specific gravity of Jet is 3.87-4.14 whereas that of Brookite is 3.87-4.14.