Hiddenite and Precious Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.15-3.21
  
1.98-2.25
  
Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
  
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
  
Cleavage
1,2 prismatic
  
Not Available
  
Mohs Hardness
6-7
  
5-6.5
  
Chemical Composition
LiAlSi2O6
  
SiO 2 · nH 2OGemdat.org , Management Team (2012)
  
Hiddenite and Precious Opal Chemical Formula
While comparing Hiddenite and Precious 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 Hiddenite and Precious Opal chemical formula.
- Chemical formula of Hiddenite- LiAlSi2O6
- Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
Hiddenite and Precious Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hiddenite and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hiddenite and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Hiddenite is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.