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Poudretteite
Poudretteite

Taaffeite
Taaffeite



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Poudretteite
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Taaffeite

Poudretteite and Taaffeite Physical Properties

Physical Properties

Tenacity

Brittle
-

Solubility

-
-

Durability

-
-

Specific Gravity

2.51-2.533.60-3.61
1 7.18
👆🏻

Fracture

Conchoidal, Splintery
Conchoidal

Cleavage

None
Imperfect/fair/absent

Mohs Hardness

58-8.5
2 10
👆🏻

Chemical Composition

KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Poudretteite and Taaffeite Chemical Formula

While comparing Poudretteite and Taaffeite 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 Poudretteite and Taaffeite chemical formula.

  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references

Poudretteite and Taaffeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Taaffeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Taaffeite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 3.60-3.61 whereas that of Taaffeite is 3.60-3.61.