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Rutile
Rutile

Poudretteite
Poudretteite



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Rutile and Poudretteite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Insoluble in acids
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.20-4.30
2.51-2.53
1.5 Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, Splintery
1.6 Cleavage
{110} good, 100 moderate, parting on {092} and {011}
None
1.7 Mohs Hardness
6-6.5
5
1.8 Chemical Composition
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Rutile and Poudretteite Chemical Formula

While comparing Rutile and Poudretteite 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 Rutile and Poudretteite chemical formula.

  • Chemical formula of Rutile- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Rutile and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rutile and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.