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Feldspar and Verdelite Physical Properties


Verdelite and Feldspar Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.56-2.75   
2.90-3.40   

Fracture
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
two or three   
Not Available   

Mohs Hardness
6-6.5   
7-7.5   

Chemical Composition
Not Available   
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   

Optical Properties >>
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Feldspar and Verdelite Chemical Formula

While comparing Feldspar and Verdelite 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 Feldspar and Verdelite chemical formula.

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Feldspar and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Feldspar and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Feldspar and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Feldspar is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.

Green Gemstones

Green Gemstones


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