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Brookite
Brookite

Vishnevite
Vishnevite



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Brookite
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Brookite and Vishnevite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.87-4.14
Not Available
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Brittle, Uneven
1.6 Cleavage
Poor on {120}, in traces on {001}
Perfect
1.7 Mohs Hardness
5.5-6
5-6
1.8 Chemical Composition
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Brookite and Vishnevite Chemical Formula

While comparing Brookite and Vishnevite 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 Vishnevite chemical formula.

  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Brookite and Vishnevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Vishnevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Vishnevite Optical Properties during the identification of gemstone. Specific gravity of Brookite is Not Available whereas that of Vishnevite is Not Available.