Home
Gemstones


Alexandrite and Cordierite Iolite Physical Properties


Cordierite Iolite and Alexandrite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.69-3.81   
2.56-2.66   

Fracture
Not Available   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
1,1 ; 3,2.   
Not Available   

Mohs Hardness
8.5   
7-7.5   

Chemical Composition
BeAl 2 O 4   
Mg 2Al 4Si 5O 18Ulrich Henn and Claudio C.   

Optical Properties >>
<< Astrology

Alexandrite and Cordierite Iolite Chemical Formula

While comparing Alexandrite and Cordierite Iolite 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 Alexandrite and Cordierite Iolite chemical formula.

Compare Gems for Scorpio

Alexandrite and Cordierite Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Cordierite Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Cordierite Iolite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.56-2.66 whereas that of Cordierite Iolite is 2.56-2.66.

Gems for Scorpio

Gems for Scorpio


Compare Gems for Scorpio