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Nephrite and Labradorite Physical Properties


Labradorite 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   
2.69-2.72   

Fracture
Splintery, Granular, Splintery, Granular, Gemstones (2009)   
Uneven, Conchoidal, Gems, Sixth Edition (2006)   

Cleavage
Not Available   
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}   

Mohs Hardness
6-6.5   
6-6.5   

Chemical Composition
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references   
(Na,Ca)1-2Si3-2O8   

Optical Properties >>
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Nephrite and Labradorite Chemical Formula

While comparing Nephrite and Labradorite 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 Labradorite chemical formula.

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Nephrite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nephrite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nephrite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Nephrite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.

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Green Gemstones


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