Austinite and Titanite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Easily soluble in cold dilute HCl
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.12
  
3.48-3.60
  
Fracture
Brittle, Uneven, Brittle, Uneven
  
Sub-Conchoidal, Conchoidal, Brittle
  
Cleavage
Good in two directions parallel to the prism faces {110}
  
Distinct on [110], parting on {221}
  
Mohs Hardness
4-4.5
  
5-5.5
  
Chemical Composition
CaZn(AsO4)(OH)
  
Not Available
  
Austinite and Titanite Chemical Formula
While comparing Austinite and Titanite 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 Titanite chemical formula.
- Chemical formula of Austinite- CaZn(AsO4)(OH)
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Austinite and Titanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Austinite and Titanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Austinite and Titanite Optical Properties during the identification of gemstone. Specific gravity of Austinite is 3.48-3.60 whereas that of Titanite is 3.48-3.60.