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Phlogopite and Sapphire Physical Properties


Sapphire and Phlogopite Physical Properties


Physical Properties

Tenacity
Tough   
Not Available   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.78-2.85   
3.95-4.03   

Fracture
None, Uneven   
Uneven, Uneven, Gems, Sixth Edition (2006)   

Cleavage
Perfect basal (001)   
None, but may exhibit parting   

Mohs Hardness
2-2.5   
9   

Chemical Composition
Not Available   
Al 2 O 3   

Optical Properties >>
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Phlogopite and Sapphire Chemical Formula

While comparing Phlogopite and Sapphire 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 Phlogopite and Sapphire chemical formula.

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Phlogopite and Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Phlogopite and Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Phlogopite and Sapphire Optical Properties during the identification of gemstone. Specific gravity of Phlogopite is 3.95-4.03 whereas that of Sapphire is 3.95-4.03.

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