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Starlite and Obsidian Physical Properties


Obsidian and Starlite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.91-4.73   
2.35-2.60   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Conchoidal, ConchoidalWalter Schumann, Conchoidal   

Cleavage
Not Available   
Not Available   

Mohs Hardness
6.5-7.5   
5-5.5   

Chemical Composition
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
Not Available   

Optical Properties >>
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Starlite and Obsidian Chemical Formula

While comparing Starlite 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 Starlite and Obsidian chemical formula.

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Starlite and Obsidian Specific Gravity

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

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