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Almandine and Kyanite Physical Properties


Kyanite and Almandine Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.30   
3.53-3.65   

Fracture
Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Splintery, Brittle, Metallic   

Cleavage
none   
[100] perfect [010] imperfect with 79° angle between   

Mohs Hardness
7-7.5   
4-7   

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

Optical Properties >>
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Almandine and Kyanite Chemical Formula

While comparing Almandine and Kyanite 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 Almandine and Kyanite chemical formula.

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Almandine and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Almandine and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Almandine and Kyanite Optical Properties during the identification of gemstone. Specific gravity of Almandine is 3.53-3.65 whereas that of Kyanite is 3.53-3.65.

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