Pearl and Poldervaartite Physical Properties
Tenacity
Not Available
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.60-2.85
  
2.91
  
Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
  
Handbook of mineralogy (2001)
  
Cleavage
none
  
None
  
Mohs Hardness
2.5-4.5
  
Not Available
  
Chemical Composition
Not Available
  
(Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
  
Pearl and Poldervaartite Chemical Formula
While comparing Pearl and Poldervaartite 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 Pearl and Poldervaartite chemical formula.
>- Chemical formula of Poldervaartite- (Ca,Mn2+ ) 2(SiO 3OH)(OH)Anthony et al , Handbook of Mineralogy (2001)
Pearl and Poldervaartite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Pearl and Poldervaartite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Poldervaartite Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.91 whereas that of Poldervaartite is 2.91.