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Brookite
Brookite

Sylvite
Sylvite



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Brookite
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Sylvite

Brookite and Sylvite Physical Properties

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Physical Properties

Tenacity

Brittle
Brittle

Solubility

-
Soluble

Durability

-
-

Specific Gravity

3.87-4.141.993
1 7.18
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Fracture

Subconchoidal, Conchoidal
Uneven

Cleavage

Poor on {120}, in traces on {001}
Perfect on [100], [010], [001]

Mohs Hardness

5.5-62.5
2 10
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Chemical Composition

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

Brookite and Sylvite Chemical Formula

While comparing Brookite and Sylvite 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 Brookite and Sylvite chemical formula.

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

Brookite and Sylvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 1.993 whereas that of Sylvite is 1.993.