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Poudretteite
Poudretteite

Hackmanite
Hackmanite



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Poudretteite
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Hackmanite

Poudretteite and Hackmanite 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
2.51-2.53
2.27-2.33
1.5 Fracture
Conchoidal, Splintery
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
None
Not Available
1.7 Mohs Hardness
5
5.5-6
1.8 Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Poudretteite and Hackmanite Chemical Formula

While comparing Poudretteite and Hackmanite 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 Hackmanite chemical formula.

  • Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Poudretteite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.