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Taaffeite
Taaffeite

Poudretteite
Poudretteite



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Taaffeite
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Poudretteite

Taaffeite and Poudretteite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

3.60-3.612.51-2.53
1 7.18
👆🏻

Fracture

Conchoidal
Conchoidal, Splintery

Cleavage

Imperfect/fair/absent
None

Mohs Hardness

8-8.55
2 10
👆🏻

Chemical Composition

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

Taaffeite and Poudretteite Chemical Formula

While comparing Taaffeite 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 Taaffeite and Poudretteite chemical formula.

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

Taaffeite and Poudretteite Specific Gravity

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