Agate and Agate Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.60-2.64
  
1.98-2.50
  
Fracture
Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001)
  
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Cleavage
Indiscernible
  
Not Available
  
Mohs Hardness
6.5-7
  
5.5-6.5
  
Chemical Composition
SiO2
  
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
Agate and Agate Opal Chemical Formula
While comparing Agate and Agate Opal 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 and Agate Opal chemical formula.
- Chemical formula of Agate- SiO2
- Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Agate and Agate Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Agate and Agate Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate and Agate Opal Optical Properties during the identification of gemstone. Specific gravity of Agate is 1.98-2.50 whereas that of Agate Opal is 1.98-2.50.