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Natrolite and Feldspar Physical Properties


Feldspar 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   
2.56-2.75   

Fracture
Uneven, Brittle, Metallic, Gemstones (2009)   
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)   

Cleavage
Perfect on {110}   
two or three   

Mohs Hardness
5-5.5   
6-6.5   

Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Not Available   

Optical Properties >>
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Natrolite and Feldspar Chemical Formula

While comparing Natrolite and Feldspar 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 Feldspar chemical formula.

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Natrolite and Feldspar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.

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