Agate Opal and Spodumene Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
insoluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.50
  
3.15-3.21
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Uneven, Subconchoidal, Gemstones (2009)
  
Cleavage
Not Available
  
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
  
Mohs Hardness
5.5-6.5
  
6-7
  
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
LiAlSi2O6
  
Agate Opal and Spodumene Chemical Formula
While comparing Agate Opal and Spodumene 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 Agate Opal and Spodumene chemical formula.
- Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Spodumene- LiAlSi2O6
Agate Opal and Spodumene Specific Gravity
Another important criteria for qualitative analysis of gemstones is Agate Opal and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate Opal and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Agate Opal is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.