Simpsonite and Narsarsukite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
2.72-2.83
  
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
  
Cleavage
None
  
Good on {100} and {110}
  
Mohs Hardness
7-7.5
  
6-7
  
Chemical Composition
Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
  
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
  
Simpsonite and Narsarsukite Chemical Formula
While comparing Simpsonite and Narsarsukite 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 Narsarsukite chemical formula.
- Chemical formula of Simpsonite- Al 4(Ta,Nb) 3(O,OH,F) 14Ulrich Henn and Claudio C.
- Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Simpsonite and Narsarsukite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Simpsonite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Simpsonite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Simpsonite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.