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Natrolite and Rock Crystal Physical Properties


Rock Crystal 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   
2.65   

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

Cleavage
Perfect on {110}   
Not Available   

Mohs Hardness
5-5.5   
7   

Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
SiO 2Walter Schumann , Gemstones of the world (2001)   

Optical Properties >>
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Natrolite and Rock Crystal Chemical Formula

While comparing Natrolite and Rock Crystal 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 Rock Crystal chemical formula.

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Natrolite and Rock Crystal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Natrolite and Rock Crystal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Natrolite and Rock Crystal Optical Properties during the identification of gemstone. Specific gravity of Natrolite is 2.65 whereas that of Rock Crystal is 2.65.

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White Gemstones


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