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Hackmanite
Hackmanite

Gypsum
Gypsum



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Hackmanite
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Gypsum

Hackmanite and Gypsum Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.27-2.33
-
Perfect
5.5-6
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
Flexible
Soluble
-
2.20-2.40
Conchoidal, Splintery, Fibrous
Perfect on {010}, distinct on {100}
2
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Hackmanite and Gypsum Chemical Formula

While comparing Hackmanite and Gypsum 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 Gypsum chemical formula.

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Hackmanite and Gypsum Specific Gravity

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