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Epidote and Dumortierite Physical Properties


Dumortierite and Epidote Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.25-3.50   
3.26-3.41   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Fibrous   
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references   

Cleavage
{001} perfect and {100} imperfect   
Distinct on {100}, poor on {110}; parting on {001}   

Mohs Hardness
6-7   
7-8.5   

Chemical Composition
CaAl 2(Fe3+ ,Al)Si 3O 12(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
AlAl6O3BSi3O18   

Optical Properties >>
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Epidote and Dumortierite Chemical Formula

While comparing Epidote and Dumortierite 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 Epidote and Dumortierite chemical formula.

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Epidote and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Epidote and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Epidote and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Epidote is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.

Brown Gemstones

Brown Gemstones


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