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Hercynite and Dallasite Physical Properties


Dallasite and Hercynite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.39   
2.58-2.91   

Fracture
ConchoidalGemdat.org, Uneven   
Not Available   

Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct   
Not Available   

Mohs Hardness
7.5-8   
6.5-7   

Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)   
Not Available   

Optical Properties >>
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Hercynite and Dallasite Chemical Formula

While comparing Hercynite and Dallasite 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 Hercynite and Dallasite chemical formula.

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Hercynite and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.

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