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Sapphire and Mellite Physical Properties


Mellite and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.03   
1.58-1.60   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
None, but may exhibit parting   
{011} Imperfect   

Mohs Hardness
9   
2   

Chemical Composition
Al 2 O 3   
Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Sapphire and Mellite Chemical Formula

While comparing Sapphire and Mellite 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 Sapphire and Mellite chemical formula.

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Sapphire and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Mellite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 1.58-1.60 whereas that of Mellite is 1.58-1.60.

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