Augite and Hollandite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.19-3.56
  
5.05
  
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Brittle, Metallic
  
Cleavage
{110} Perfect, {010} Indistinct
  
Distinct / Good, Prismatic
  
Mohs Hardness
5.5-6
  
4-6
  
Chemical Composition
(Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
  
Ba(Mn++++,Mn++)8O16
  
Augite and Hollandite Chemical Formula
While comparing Augite 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 Augite and Hollandite chemical formula.
- Chemical formula of Augite- (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al) 2O 6Anthony et al , Handbook of mineralogy (2001)
- Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Augite and Hollandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Augite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Augite and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Augite is 5.05 whereas that of Hollandite is 5.05.