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Gemstones


Beryl and Feldspar Physical Properties


Feldspar and Beryl Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.60-2.90   
2.56-2.75   

Fracture
Uneven, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Conchoidal, Irregular, Uneven, Gems, Brittle   
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)   

Cleavage
Imperfect on {0001}   
two or three   

Mohs Hardness
7.5-8   
6-6.5   

Chemical Composition
Be3Al2Si6O18   
Not Available   

Optical Properties >>
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Beryl and Feldspar Chemical Formula

While comparing Beryl 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 Beryl and Feldspar chemical formula.

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Beryl and Feldspar Specific Gravity

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

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