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Hackmanite
Hackmanite

Agrellite
Agrellite



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Hackmanite
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Agrellite

Hackmanite and Agrellite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.27-2.33
2.88
1.5 Fracture
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
Not Available
perfect [110]
1.7 Mohs Hardness
5.5-6
5.5
1.8 Chemical Composition
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)
NaCa2Si4O10F

Hackmanite and Agrellite Chemical Formula

While comparing Hackmanite and Agrellite 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 Hackmanite and Agrellite chemical formula.

  • Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Agrellite- NaCa2Si4O10F

Hackmanite and Agrellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hackmanite and Agrellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Agrellite Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 2.88 whereas that of Agrellite is 2.88.