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Hercynite and Danburite Physical Properties


Danburite and Hercynite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.39   
2.97-3.03   

Fracture
ConchoidalGemdat.org, Uneven   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
{111} Indistinct, {111} Indistinct, {111} Indistinct   
{001} Poor   

Mohs Hardness
7.5-8   
7   

Chemical Composition
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)   
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Hercynite and Danburite Chemical Formula

While comparing Hercynite and Danburite 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 Danburite chemical formula.

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Hercynite and Danburite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Danburite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Danburite Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 2.97-3.03 whereas that of Danburite is 2.97-3.03.

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