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Starlite and Staurolite Physical Properties


Staurolite and Starlite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.91-4.73   
3.7-3.8   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
Not Available   
Distinct on {010}   

Mohs Hardness
6.5-7.5   
7-7.5   

Chemical Composition
ZrSiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.   

Optical Properties >>
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Starlite and Staurolite Chemical Formula

While comparing Starlite and Staurolite 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 Staurolite chemical formula.

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Starlite and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Starlite and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Starlite and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Starlite is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.

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