Hyalite and Jet Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
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Durability
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Specific Gravity
Not Available
  
1.19-1.35
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
  
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
  
Cleavage
Not Available
  
Not Available
  
Mohs Hardness
5.5-6.5
  
2.5-4
  
Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  
Not Available
  
Hyalite and Jet Chemical Formula
While comparing Hyalite and Jet 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 Hyalite and Jet chemical formula.
- Chemical formula of Hyalite- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
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Hyalite and Jet Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hyalite and Jet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hyalite and Jet Optical Properties during the identification of gemstone. Specific gravity of Hyalite is 1.19-1.35 whereas that of Jet is 1.19-1.35.