Obsidian and Chrome Tourmaline Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.35-2.60
  
2.85-3.35
  
Fracture
Conchoidal, ConchoidalWalter Schumann, Conchoidal
  
ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Not Available
  
3,2
  
Mohs Hardness
5-5.5
  
7-7.5
  
Chemical Composition
Not Available
  
Tourmaline is a series of several different minerals with unique chemical formulas.
  
Obsidian and Chrome Tourmaline Chemical Formula
While comparing Obsidian and Chrome Tourmaline 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 Obsidian and Chrome Tourmaline chemical formula.
>- Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
Obsidian and Chrome Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Obsidian and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Obsidian and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Obsidian is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.