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Chalcedony and Starlite Physical Properties


Starlite and Chalcedony Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.70   
3.91-4.73   

Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Absent   
Not Available   

Mohs Hardness
6.5-7   
6.5-7.5   

Chemical Composition
SiO2   
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Chalcedony and Starlite Chemical Formula

While comparing Chalcedony and Starlite 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 Chalcedony and Starlite chemical formula.

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Chalcedony and Starlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chalcedony and Starlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Starlite Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 3.91-4.73 whereas that of Starlite is 3.91-4.73.

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