Spodumene and Smoky Quartz Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
insoluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.15-3.21
  
2.65
  
Fracture
Uneven, Subconchoidal, Gemstones (2009)
  
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
  
Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
  
{0110} Indistinct
  
Mohs Hardness
6-7
  
7
  
Chemical Composition
LiAlSi2O6
  
SiO2
  
Spodumene and Smoky Quartz Chemical Formula
While comparing Spodumene 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 Spodumene and Smoky Quartz chemical formula.
- Chemical formula of Spodumene- LiAlSi2O6
- Chemical formula of Smoky Quartz- SiO2
Spodumene and Smoky Quartz Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spodumene and Smoky Quartz Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Smoky Quartz Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.65 whereas that of Smoky Quartz is 2.65.