Home
Gemstones


Alexandrite and Amethyst Physical Properties


Amethyst and Alexandrite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble in common solvents   

Durability
Not Available   
Not Available   

Specific Gravity
3.69-3.81   
2.65   

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

Cleavage
1,1 ; 3,2.   
Indiscernible   

Mohs Hardness
8.5   
7   

Chemical Composition
BeAl 2 O 4   
SiO2   

Optical Properties >>
<< Astrology

Alexandrite and Amethyst Chemical Formula

While comparing Alexandrite and Amethyst 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 Amethyst chemical formula.

Compare Good Luck Gems

Alexandrite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Alexandrite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 2.65 whereas that of Amethyst is 2.65.

Good-Luck Gems

Good-Luck Gems

» More Good-Luck Gems

Compare Good Luck Gems

» More Compare Good Luck Gems