Star Ruby and Hemimorphite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.95-4.10
  
3.30-3.50
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
  
Cleavage
Not Available
  
Perfect on {110}, poor on {101}, {001} rare
  
Mohs Hardness
Not Available
  
5
  
Chemical Composition
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Star Ruby and Hemimorphite Chemical Formula
While comparing Star Ruby 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 Star Ruby and Hemimorphite chemical formula.
- Chemical formula of Star Ruby- Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Star Ruby and Hemimorphite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Star Ruby and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.