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Sapphire and Agate Physical Properties


Agate 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   
2.60-2.64   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)   

Cleavage
None, but may exhibit parting   
Indiscernible   

Mohs Hardness
9   
6.5-7   

Chemical Composition
Al 2 O 3   
SiO2   

Optical Properties >>
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Sapphire and Agate Chemical Formula

While comparing Sapphire and Agate 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 Agate chemical formula.

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Sapphire and Agate Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Agate Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Agate Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.60-2.64 whereas that of Agate is 2.60-2.64.

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