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Pectolite and Nephrite Physical Properties


Nephrite and Pectolite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.74-2.90   
2.90-3.10   

Fracture
Uneven, Gemstones (2009), Splintery   
Splintery, Granular, Splintery, Granular, Gemstones (2009)   

Cleavage
Perfect on {100} and {001}   
Not Available   

Mohs Hardness
4.5-5   
6-6.5   

Chemical Composition
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.   
Ca 2(Mg,Fe) 5(OH) 2Walter Schumann , Gemstones of the world (2001) More from other references   

Optical Properties >>
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Pectolite and Nephrite Chemical Formula

While comparing Pectolite and Nephrite 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 Pectolite and Nephrite chemical formula.

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Pectolite and Nephrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pectolite and Nephrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pectolite and Nephrite Optical Properties during the identification of gemstone. Specific gravity of Pectolite is 2.90-3.10 whereas that of Nephrite is 2.90-3.10.

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