Alexandrite and Hemimorphite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Soluble
Durability
Not Available
Not Available
Specific Gravity
3.69-3.81
3.30-3.50
Fracture
Not Available
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
Cleavage
1,1 ; 3,2.
Perfect on {110}, poor on {101}, {001} rare
Chemical Composition
BeAl 2 O 4
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Alexandrite and Hemimorphite Chemical Formula
While comparing Alexandrite and Hemimorphite 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 Hemimorphite chemical formula.
- Chemical formula of Alexandrite- BeAl 2 O 4
- Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Alexandrite and Hemimorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Alexandrite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Alexandrite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Alexandrite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.