Alexandrite and Sapphirine Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.69-3.81
3.40-3.58
Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven
Cleavage
1,1 ; 3,2.
{010} Perfect
Chemical Composition
BeAl 2 O 4
(Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Alexandrite and Sapphirine Chemical Formula
While comparing Alexandrite and Sapphirine 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 Sapphirine chemical formula.
- Chemical formula of Alexandrite- BeAl 2 O 4
- Chemical formula of Sapphirine- (Al,Mg) 8(Al,Si) 6O 20Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Alexandrite and Sapphirine Specific Gravity
Another important criteria for qualitative analysis of gemstones is Alexandrite and Sapphirine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Sapphirine Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.40-3.58 whereas that of Sapphirine is 3.40-3.58.