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Brookite
Brookite

Labradorite
Labradorite



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Brookite and Labradorite 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
2.69-2.72
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Uneven, Conchoidal, Gems, Sixth Edition (2006)
1.6 Cleavage
Poor on {120}, in traces on {001}
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {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
(Na,Ca)1-2Si3-2O8

Brookite and Labradorite Chemical Formula

While comparing Brookite and Labradorite 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 Labradorite chemical formula.

  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8

Brookite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Brookite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.