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Brookite
Brookite

Anorthite
Anorthite



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Brookite and Anorthite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.87-4.14
2.77
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Poor on {120}, in traces on {001}
Perfect [001] good [010] poor [110]
1.7 Mohs Hardness
5.5-6
6-6.5
1.8 Chemical Composition
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Brookite and Anorthite Chemical Formula

While comparing Brookite and Anorthite 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 Anorthite chemical formula.

  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Anorthite- CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Brookite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.77 whereas that of Anorthite is 2.77.