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Hackmanite
Hackmanite

Selenite
Selenite



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Hackmanite
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Selenite

Hackmanite and Selenite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
2.27-2.33
-
Perfect
5.5-6
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
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-
-
-9999
-
Perfect
2
CaSO4·2H2O

Hackmanite and Selenite Chemical Formula

While comparing Hackmanite and Selenite 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 Selenite chemical formula.

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Hackmanite and Selenite Specific Gravity

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