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Hackmanite
Hackmanite

Aragonite
Aragonite



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Hackmanite
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Aragonite

Hackmanite and Aragonite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
Dilute acid

Durability

-
-

Specific Gravity

2.27-2.332.93-2.96
1 7.18
👆🏻

Fracture

-
Subconchoidal, Conchoidal

Cleavage

Perfect
Distinct on {010}, imperfect {110} and {011}

Mohs Hardness

5.5-63.5-4
2 10
👆🏻

Chemical Composition

Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)
CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hackmanite and Aragonite Chemical Formula

While comparing Hackmanite and Aragonite 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 Aragonite chemical formula.

  • Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Aragonite- CaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Hackmanite and Aragonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hackmanite and Aragonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hackmanite and Aragonite Optical Properties during the identification of gemstone. Specific gravity of Hackmanite is 2.93-2.96 whereas that of Aragonite is 2.93-2.96.