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Carnelian and Augelite Physical Properties


Augelite and Carnelian Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.58-2.64   
2.70-2.75   

Fracture
Uneven, Splintery, Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Absent   
From the Greek for luster, for its pearly luster on the cleavage.   

Mohs Hardness
6.5-7   
4.5-5   

Chemical Composition
SiO2   
Al 2(PO 4)(OH) 3Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Carnelian and Augelite Chemical Formula

While comparing Carnelian and Augelite 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 Carnelian and Augelite chemical formula.

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Carnelian and Augelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Carnelian and Augelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Carnelian and Augelite Optical Properties during the identification of gemstone. Specific gravity of Carnelian is 2.70-2.75 whereas that of Augelite is 2.70-2.75.

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