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Sard and Hercynite Physical Properties


Hercynite and Sard Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.58-2.63   
4.39   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
ConchoidalGemdat.org, Uneven   

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

Mohs Hardness
6.5-7   
7.5-8   

Chemical Composition
SiO 2Ulrich Henn and Claudio C.   
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)   

Optical Properties >>
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Sard and Hercynite Chemical Formula

While comparing Sard 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 Sard and Hercynite chemical formula.

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Sard and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sard and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sard and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Sard is 4.39 whereas that of Hercynite is 4.39.

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