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Natrolite and Pargasite Physical Properties


Pargasite and Natrolite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.20-2.26   
3.04-3.26   

Fracture
Uneven, Brittle, Metallic, Gemstones (2009)   
Splintery, Brittle, Uneven   

Cleavage
Perfect on {110}   
{110} perfect   

Mohs Hardness
5-5.5   
5-6   

Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
NaCa 2(Mg 4Al)Si 6Al 2O 22(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Natrolite and Pargasite Chemical Formula

While comparing Natrolite and Pargasite 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 Natrolite and Pargasite chemical formula.

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Natrolite and Pargasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Pargasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Pargasite Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 3.04-3.26 whereas that of Pargasite is 3.04-3.26.

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