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Sylvite and Oligoclase Physical Properties


Oligoclase and Sylvite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Soluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.993   
2.62-2.67   

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

Cleavage
Perfect on [100], [010], [001]   
From the Greek, oligos and kasein, little cleavage.   

Mohs Hardness
2.5   
6-6.5   

Chemical Composition
Not Available   
Na(90-70%)Ca(10-30%)(Al,Si)AlSi 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)   

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Sylvite and Oligoclase Chemical Formula

While comparing Sylvite and Oligoclase 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 Sylvite and Oligoclase chemical formula.

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Sylvite and Oligoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sylvite and Oligoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sylvite and Oligoclase Optical Properties during the identification of gemstone. Specific gravity of Sylvite is 2.62-2.67 whereas that of Oligoclase is 2.62-2.67.

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