Austinite and Chrome Tourmaline Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Easily soluble in cold dilute HCl
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.12
  
2.85-3.35
  
Fracture
Brittle, Uneven, Brittle, Uneven
  
ConchoidalArthur Thomas, Gemstones (2009)
  
Cleavage
Good in two directions parallel to the prism faces {110}
  
3,2
  
Mohs Hardness
4-4.5
  
7-7.5
  
Chemical Composition
CaZn(AsO4)(OH)
  
Tourmaline is a series of several different minerals with unique chemical formulas.
  
Austinite and Chrome Tourmaline Chemical Formula
While comparing Austinite 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 Austinite and Chrome Tourmaline chemical formula.
- Chemical formula of Austinite- CaZn(AsO4)(OH)
- Chemical formula of Chrome Tourmaline- Tourmaline is a series of several different minerals with unique chemical formulas.
Austinite and Chrome Tourmaline Specific Gravity
Another important criteria for qualitative analysis of gemstones is Austinite and Chrome Tourmaline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Chrome Tourmaline Optical Properties during the identification of gemstone. Specific gravity of Austinite is 2.85-3.35 whereas that of Chrome Tourmaline is 2.85-3.35.