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Rock Crystal
Rock Crystal

Hackmanite
Hackmanite



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Rock Crystal
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Hackmanite

Rock Crystal and Hackmanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.65
ConchoidalWalter Schumann
None
7
SiO 2Walter Schumann , Gemstones of the world (2001)
 
-
-
-
2.27-2.33
-
Perfect
5.5-6
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Rock Crystal and Hackmanite Chemical Formula

While comparing Rock Crystal 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 Rock Crystal and Hackmanite chemical formula.

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Rock Crystal and Hackmanite Specific Gravity

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