Plumbogummite and Inderite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
4.014
  
1.79
  
Fracture
Uneven, Conchoidal
  
Uneven
  
Cleavage
None
  
{110} Good
  
Mohs Hardness
4-5
  
2.5
  
Chemical Composition
Not Available
  
MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
  
Plumbogummite and Inderite Chemical Formula
While comparing Plumbogummite and Inderite 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 Inderite chemical formula.
>- Chemical formula of Inderite- MgB 3O 3(OH) 5 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)
Plumbogummite and Inderite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Plumbogummite and Inderite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Plumbogummite and Inderite Optical Properties during the identification of gemstone. Specific gravity of Plumbogummite is 1.79 whereas that of Inderite is 1.79.