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Hercynite and Nephrite Physical Properties


Nephrite 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   
2.90-3.10   

Fracture
ConchoidalGemdat.org, Uneven   
Splintery, Granular, Splintery, Granular, Gemstones (2009)   

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

Mohs Hardness
7.5-8   
6-6.5   

Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)   
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Hercynite and Nephrite Chemical Formula

While comparing Hercynite and Nephrite 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 Nephrite chemical formula.

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Hercynite and Nephrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Nephrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.

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