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Brookite
Brookite

Hessonite
Hessonite



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Brookite
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Hessonite

Brookite and Hessonite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

3.87-4.143.55-3.73
1 7.18
👆🏻

Fracture

Subconchoidal, Conchoidal
Uneven

Cleavage

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

Mohs Hardness

5.5-67-7.5
2 10
👆🏻

Chemical Composition

TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca3Al2(SiO4)3

Brookite and Hessonite Chemical Formula

While comparing Brookite and Hessonite 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 Hessonite chemical formula.

  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Hessonite- Ca3Al2(SiO4)3

Brookite and Hessonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Hessonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Hessonite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.55-3.73 whereas that of Hessonite is 3.55-3.73.