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Nephrite and White Opal Physical Properties


White Opal and Nephrite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.10   
1.98-2.50   

Fracture
Splintery, Granular, Splintery, Granular, Gemstones (2009)   
Conchoidal, Conchoidal, Gemstones of the world (2001)   

Cleavage
Not Available   
Not Available   

Mohs Hardness
6-6.5   
5.5-6.5   

Chemical Composition
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references   
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   

Optical Properties >>
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Nephrite and White Opal Chemical Formula

While comparing Nephrite and White Opal 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 Nephrite and White Opal chemical formula.

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Nephrite and White Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and White Opal Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 1.98-2.50 whereas that of White Opal is 1.98-2.50.

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Green Gemstones


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