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Sapphire and Rutile Physical Properties


Rutile and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble   
Insoluble in acids   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.03   
4.20-4.30   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Uneven, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
None, but may exhibit parting   
{110} good, 100 moderate, parting on {092} and {011}   

Mohs Hardness
9   
6-6.5   

Chemical Composition
Al 2 O 3   
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Sapphire and Rutile Chemical Formula

While comparing Sapphire and Rutile 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 Rutile chemical formula.

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Sapphire and Rutile Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Rutile Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Rutile Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 4.20-4.30 whereas that of Rutile is 4.20-4.30.

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