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Beryllonite and Prasiolite Physical Properties


Prasiolite and Beryllonite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.79-2.87   
2.65   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces   
3,1   

Mohs Hardness
5.5-6   
7   

Chemical Composition
NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
SiO 2Ulrich Henn and Claudio C.   

Optical Properties >>
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Beryllonite and Prasiolite Chemical Formula

While comparing Beryllonite and Prasiolite 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 Beryllonite and Prasiolite chemical formula.

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Beryllonite and Prasiolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Beryllonite and Prasiolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Prasiolite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 2.65 whereas that of Prasiolite is 2.65.

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