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Kyanite Cyprine and Staurolite Physical Properties


Staurolite and Kyanite Cyprine Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.55-3.70   
3.7-3.8   

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

Cleavage
Not Available   
Distinct on {010}   

Mohs Hardness
4-7   
7-7.5   

Chemical Composition
Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references   
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.   

Optical Properties >>
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Kyanite Cyprine and Staurolite Chemical Formula

While comparing Kyanite Cyprine 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 Kyanite Cyprine and Staurolite chemical formula.

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Kyanite Cyprine and Staurolite Specific Gravity

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

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