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Phenakite and Topazolite Physical Properties


Topazolite and Phenakite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-2.98   
3.70-4.10   

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

Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}   
Not Available   

Mohs Hardness
7.5-8   
6.5-7   

Chemical Composition
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Phenakite and Topazolite Chemical Formula

While comparing Phenakite and Topazolite 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 Phenakite and Topazolite chemical formula.

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Phenakite and Topazolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phenakite and Topazolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phenakite and Topazolite Optical Properties during the identification of gemstone. Specific gravity of Phenakite is 3.70-4.10 whereas that of Topazolite is 3.70-4.10.

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