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Iolite and Orthoclase Physical Properties


Orthoclase and Iolite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.6-2.7   
2.54-2.61   

Fracture
Not Available   
Gems, Uneven   

Cleavage
3,1   
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.   

Mohs Hardness
7-7.5   
6   

Chemical Composition
Mg2Al4Si5O18   
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Iolite and Orthoclase Chemical Formula

While comparing Iolite 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 Iolite and Orthoclase chemical formula.

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Iolite and Orthoclase Specific Gravity

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

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