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Smoky Quartz and Poudretteite Physical Properties


Poudretteite and Smoky Quartz Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.65   
2.51-2.53   

Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   
Conchoidal, Splintery   

Cleavage
{0110} Indistinct   
None   

Mohs Hardness
7   
5   

Chemical Composition
SiO2   
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Smoky Quartz and Poudretteite Chemical Formula

While comparing Smoky Quartz 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 Smoky Quartz and Poudretteite chemical formula.

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Smoky Quartz and Poudretteite Specific Gravity

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

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