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Brookite
Brookite

Rubellite Tourmaline
Rubellite Tourmaline



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Brookite
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Rubellite Tourmaline

Brookite and Rubellite Tourmaline 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
Not Available
1.6 Cleavage
Poor on {120}, in traces on {001}
None
1.7 Mohs Hardness
5.5-6
2.5-3
1.8 Chemical Composition
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ag

Brookite and Rubellite Tourmaline Chemical Formula

While comparing Brookite and Rubellite Tourmaline 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 Rubellite Tourmaline chemical formula.

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

Brookite and Rubellite Tourmaline Specific Gravity

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