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Danburite and Poudretteite Physical Properties


Poudretteite and Danburite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.97-3.03   
2.51-2.53   

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

Cleavage
{001} Poor   
None   

Mohs Hardness
7   
5   

Chemical Composition
CaB 2(SiO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Danburite and Poudretteite Chemical Formula

While comparing Danburite and Poudretteite 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 Danburite and Poudretteite chemical formula.

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Danburite and Poudretteite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Danburite and Poudretteite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Danburite and Poudretteite Optical Properties during the identification of gemstone. Specific gravity of Danburite is 2.51-2.53 whereas that of Poudretteite is 2.51-2.53.

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