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Tanzanite and Beryllonite Physical Properties


Beryllonite and Tanzanite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Hard   
Not Available   

Specific Gravity
3.35   
2.79-2.87   

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

Cleavage
Perfect {010}, imperfect {100}   
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces   

Mohs Hardness
6.5-7   
5.5-6   

Chemical Composition
Ca2Al3(SiO4)3(OH)   
NaBePO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Tanzanite and Beryllonite Chemical Formula

While comparing Tanzanite and Beryllonite 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 Tanzanite and Beryllonite chemical formula.

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Tanzanite and Beryllonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Tanzanite and Beryllonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Tanzanite and Beryllonite Optical Properties during the identification of gemstone. Specific gravity of Tanzanite is 2.79-2.87 whereas that of Beryllonite is 2.79-2.87.

Semi Precious

Semi Precious


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