Simpsonite and Plumbogummite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
4.014
  
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Uneven, Conchoidal
  
Cleavage
None
  
None
  
Mohs Hardness
7-7.5
  
4-5
  
Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
  
Not Available
  
Simpsonite and Plumbogummite Chemical Formula
While comparing Simpsonite and Plumbogummite 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 Simpsonite and Plumbogummite chemical formula.
- Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
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Simpsonite and Plumbogummite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Simpsonite and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Simpsonite and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Simpsonite is 4.014 whereas that of Plumbogummite is 4.014.