Rutile and Hollandite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Insoluble in acids
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.20-4.30
  
5.05
  
Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
  
Brittle, Metallic
  
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
  
Distinct / Good, Prismatic
  
Mohs Hardness
6-6.5
  
4-6
  
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Ba(Mn++++,Mn++)8O16
  
Rutile and Hollandite Chemical Formula
While comparing Rutile and Hollandite 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 Rutile and Hollandite chemical formula.
- Chemical formula of Rutile- TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Rutile and Hollandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Rutile and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rutile and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Rutile is 5.05 whereas that of Hollandite is 5.05.