Sanidine and Precious Opal Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.54-2.61
  
1.98-2.25
  
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
  
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
  
Cleavage
{001} Perfect, {010} Good
  
Not Available
  
Mohs Hardness
6
  
5-6.5
  
Chemical Composition
KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
  
SiO 2 · nH 2OGemdat.org , Management Team (2012)
  
Sanidine and Precious Opal Chemical Formula
While comparing Sanidine 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 Sanidine and Precious Opal chemical formula.
- Chemical formula of Sanidine- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
Sanidine and Precious Opal Specific Gravity
Another important criteria for qualitative analysis of gemstones is Sanidine and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sanidine and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Sanidine is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.