Chalcedony and Villiaumite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.55-2.70
  
2.79
  
Fracture
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann
  
Brittle, Metallic
  
Cleavage
Absent
  
{100} Perfect, {010} Perfect, {001} Perfect
  
Mohs Hardness
6.5-7
  
2
  
Chemical Composition
SiO2
  
NaFUlrich Henn and Claudio C.
  
Chalcedony and Villiaumite Chemical Formula
While comparing Chalcedony and Villiaumite 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 Chalcedony and Villiaumite chemical formula.
- Chemical formula of Chalcedony- SiO2
- Chemical formula of Villiaumite- NaFUlrich Henn and Claudio C.
Chalcedony and Villiaumite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Chalcedony and Villiaumite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chalcedony and Villiaumite Optical Properties during the identification of gemstone. Specific gravity of Chalcedony is 2.79 whereas that of Villiaumite is 2.79.