Poldervaartite and Franklinite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.91
  
5.05-5.22
  
Fracture
Handbook of mineralogy (2001)
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
  
Cleavage
None
  
None
  
Mohs Hardness
Not Available
  
5.5-6
  
Chemical Composition
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
  
(Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
  
Poldervaartite and Franklinite Chemical Formula
While comparing Poldervaartite and Franklinite 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 Poldervaartite and Franklinite chemical formula.
- Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
- Chemical formula of Franklinite- (Zn,Mn2+ ,Fe2+ )(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
Poldervaartite and Franklinite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Poldervaartite and Franklinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poldervaartite and Franklinite Optical Properties during the identification of gemstone. Specific gravity of Poldervaartite is 5.05-5.22 whereas that of Franklinite is 5.05-5.22.