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Natrolite and Covellite Physical Properties


Covellite and Natrolite Physical Properties


Physical Properties

Tenacity
Brittle   
Flexible   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.20-2.26   
4.6-4.76   

Fracture
Uneven, Brittle, Metallic, Gemstones (2009)   
Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Metallic   

Cleavage
Perfect on {110}   
Perfect on {0001}   

Mohs Hardness
5-5.5   
Not Available   

Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
CuSMichael O’Donoghue , Gems, Sixth edition (2006) More from other references   

Optical Properties >>
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Natrolite and Covellite Chemical Formula

While comparing Natrolite and Covellite 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 Covellite chemical formula.

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Natrolite and Covellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Covellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Covellite Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 4.6-4.76 whereas that of Covellite is 4.6-4.76.

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White Gemstones


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