Plumbogummite and Chambersite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.014
  
3.50
  
Fracture
Uneven, Conchoidal
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Uneven
  
Cleavage
None
  
None
  
Mohs Hardness
4-5
  
7
  
Chemical Composition
Not Available
  
Mn 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Plumbogummite and Chambersite Chemical Formula
While comparing Plumbogummite and Chambersite 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 Plumbogummite and Chambersite chemical formula.
>- Chemical formula of Chambersite- Mn 3B 7O 13ClMichael OâDonoghue , Gems, Sixth Edition (2006)
Plumbogummite and Chambersite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Plumbogummite and Chambersite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Chambersite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 3.50 whereas that of Chambersite is 3.50.