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Iolite and Rutile Physical Properties


Rutile and Iolite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Insoluble in acids   

Durability
Not Available   
Not Available   

Specific Gravity
2.6-2.7   
4.20-4.30   

Fracture
Not Available   
Uneven, ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
3,1   
{110} good, 100 moderate, parting on {092} and {011}   

Mohs Hardness
7-7.5   
6-6.5   

Chemical Composition
Mg2Al4Si5O18   
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Iolite and Rutile Chemical Formula

While comparing Iolite 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 Iolite and Rutile chemical formula.

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Iolite and Rutile Specific Gravity

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

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