Hollandite and Hexagonite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.05
  
2.98-3.03
  
Fracture
Brittle, Metallic
  
Uneven
  
Cleavage
Distinct / Good, Prismatic
  
[110] perfect; [010] distinct
  
Mohs Hardness
4-6
  
5-6
  
Chemical Composition
Ba(Mn++++,Mn++)8O16
  
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
  
Hollandite and Hexagonite Chemical Formula
While comparing Hollandite and Hexagonite 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 Hollandite and Hexagonite chemical formula.
- Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
- Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Hollandite and Hexagonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hollandite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.