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Shigaite
Shigaite

Hercynite
Hercynite



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Shigaite
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Hercynite

Shigaite and Hercynite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Moderately flexible
-
-
2.32
-
Perfect on {0001}
2
Pb6Cu3BiS4
 
-
-
-
4.39
Uneven
{111} Indistinct, {111} Indistinct, {111} Indistinct
7.5-8
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Shigaite and Hercynite Chemical Formula

While comparing Shigaite and Hercynite 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 Hercynite chemical formula.

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Shigaite and Hercynite Specific Gravity

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