Home
Gemstones


Alexandrite and Spinel Physical Properties


Spinel and Alexandrite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
none   

Durability
Not Available   
Not Available   

Specific Gravity
3.69-3.81   
3.64-3.66   

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

Cleavage
1,1 ; 3,2.   
None, but may exhibit slight parting   

Mohs Hardness
8.5   
8   

Chemical Composition
BeAl 2 O 4   
MgAl2O4   

Optical Properties >>
<< Astrology

Alexandrite and Spinel Chemical Formula

While comparing Alexandrite and Spinel 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 Spinel chemical formula.

Compare Gems for Scorpio

Alexandrite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.

Gems for Scorpio

Gems for Scorpio


Compare Gems for Scorpio