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Sapphire and Orthoclase Physical Properties


Orthoclase 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   
2.54-2.61   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
Gems, Uneven   

Cleavage
None, but may exhibit parting   
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.   

Mohs Hardness
9   
6   

Chemical Composition
Al 2 O 3   
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Sapphire and Orthoclase Chemical Formula

While comparing Sapphire and Orthoclase 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 Orthoclase chemical formula.

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Sapphire and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.

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