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Brookite
Brookite

Diopside
Diopside



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Brookite and Diopside Physical Properties

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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
3.22-3.40
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
1.6 Cleavage
Poor on {120}, in traces on {001}
Distinct/good on {110}
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
CaMgSi2O6

Brookite and Diopside Chemical Formula

While comparing Brookite and Diopside 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 Diopside chemical formula.

  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Diopside- CaMgSi2O6

Brookite and Diopside Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Diopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Diopside Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.22-3.40 whereas that of Diopside is 3.22-3.40.