Precious Opal and Baryte Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.98-2.25
  
4.3-5
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
  
Irregular/uneven
  
Cleavage
Not Available
  
Perfect cleavage parallel to base and prism faces: {001} Perfect, {210} Perfect, {010} Imperfect
  
Mohs Hardness
5-6.5
  
3-3.5
  
Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
  
Not Available
  
Precious Opal and Baryte Chemical Formula
While comparing Precious Opal and Baryte 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 Precious Opal and Baryte chemical formula.
- Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
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Precious Opal and Baryte Specific Gravity
Another important criteria for qualitative analysis of gemstones is Precious Opal and Baryte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Baryte Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 4.3-5 whereas that of Baryte is 4.3-5.