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Melanite and Feldspar Physical Properties


Feldspar and Melanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.70-4.10   
2.56-2.75   

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

Cleavage
Not Available   
two or three   

Mohs Hardness
6.5-7   
6-6.5   

Chemical Composition
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)   
Not Available   

Optical Properties >>
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Melanite and Feldspar Chemical Formula

While comparing Melanite 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 Melanite and Feldspar chemical formula.

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Melanite and Feldspar Specific Gravity

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

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Black Gemstones


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