Hemimorphite and Hollandite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.30-3.50
  
5.05
  
Fracture
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle
  
Brittle, Metallic
  
Cleavage
Perfect on {110}, poor on {101}, {001} rare
  
Distinct / Good, Prismatic
  
Mohs Hardness
5
  
4-6
  
Chemical Composition
Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Ba(Mn++++,Mn++)8O16
  
Hemimorphite and Hollandite Chemical Formula
While comparing Hemimorphite 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 Hemimorphite and Hollandite chemical formula.
- Chemical formula of Hemimorphite- Zn 4Si 2O 7(OH) 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Hemimorphite and Hollandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hemimorphite and Hollandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hemimorphite and Hollandite Optical Properties during the identification of gemstone. Specific gravity of Hemimorphite is 5.05 whereas that of Hollandite is 5.05.