Agate Opal and Poldervaartite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.50
  
2.91
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
Handbook of mineralogy (2001)
  
Cleavage
Not Available
  
None
  
Mohs Hardness
5.5-6.5
  
Not Available
  
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
  
Agate Opal and Poldervaartite Chemical Formula
While comparing Agate Opal and Poldervaartite 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 Poldervaartite chemical formula.
- Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
- Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Agate Opal and Poldervaartite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Agate Opal and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Agate Opal and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Agate Opal is 2.91 whereas that of Poldervaartite is 2.91.