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Shigaite
Shigaite

Hackmanite
Hackmanite



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Shigaite
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Hackmanite

Shigaite and Hackmanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Moderately flexible
-
-
2.32
-
Perfect on {0001}
2
Pb6Cu3BiS4
 
-
-
-
2.27-2.33
-
Perfect
5.5-6
Na 8Al 6Si 6O 24Cl 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Shigaite and Hackmanite Chemical Formula

While comparing Shigaite 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 Shigaite and Hackmanite chemical formula.

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Shigaite and Hackmanite Specific Gravity

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