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Poudretteite and Obsidian Physical Properties


Obsidian and Poudretteite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.51-2.53   
2.35-2.60   

Fracture
Conchoidal, Splintery   
Conchoidal, ConchoidalWalter Schumann, Conchoidal   

Cleavage
None   
Not Available   

Mohs Hardness
5   
5-5.5   

Chemical Composition
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)   
Not Available   

Optical Properties >>
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Poudretteite and Obsidian Chemical Formula

While comparing Poudretteite and Obsidian 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 Poudretteite and Obsidian chemical formula.

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Poudretteite and Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.

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