Halite and Star Sapphire Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Water-soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.17
  
3.90-4.05
  
Fracture
Conchoidal, Brittle, Metallic
  
Not Available
  
Cleavage
Perfect {001}, three directions cubic
  
Not Available
  
Mohs Hardness
2.0-2.5
  
Not Available
  
Chemical Composition
NaCl
  
Al 2O 3Ulrich Henn and Claudio C.
  
Halite and Star Sapphire Chemical Formula
While comparing Halite and Star Sapphire 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 Halite and Star Sapphire chemical formula.
- Chemical formula of Halite- NaCl
- Chemical formula of Star Sapphire- Al 2O 3Ulrich Henn and Claudio C.
Halite and Star Sapphire Specific Gravity
Another important criteria for qualitative analysis of gemstones is Halite and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Halite and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Halite is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.