Halite and Smoky Quartz Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Water-soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.17
  
2.65
  
Fracture
Conchoidal, Brittle, Metallic
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Perfect {001}, three directions cubic
  
{0110} Indistinct
  
Mohs Hardness
2.0-2.5
  
7
  
Chemical Composition
NaCl
  
SiO2
  
Halite and Smoky Quartz Chemical Formula
While comparing Halite and Smoky Quartz 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 Smoky Quartz chemical formula.
- Chemical formula of Halite- NaCl
- Chemical formula of Smoky Quartz- SiO2
Halite and Smoky Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Halite and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Halite and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Halite is 2.65 whereas that of Smoky Quartz is 2.65.