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Agate Opal and Nepheline Physical Properties


Nepheline and Agate Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.50   
2.55-2.65   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)   
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
Not Available   
[1010] Poor   

Mohs Hardness
5.5-6.5   
5-6   

Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   
Na 3(Na,K)Al 4Si 4O 16Ulrich Henn and Claudio C.   

Optical Properties >>
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Agate Opal and Nepheline Chemical Formula

While comparing Agate Opal and Nepheline 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 Agate Opal and Nepheline chemical formula.

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Agate Opal and Nepheline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Agate Opal and Nepheline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate Opal and Nepheline Optical Properties during the identification of gemstone. Specific gravity of Agate Opal is 2.55-2.65 whereas that of Nepheline is 2.55-2.65.

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