Apophyllite and Narsarsukite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30-2.50
  
2.72-2.83
  
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
  
Cleavage
Perfect on (001)
  
Good on {100} and {110}
  
Mohs Hardness
4.5-5
  
6-7
  
Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  
Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
  
Apophyllite and Narsarsukite Chemical Formula
While comparing Apophyllite 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 Apophyllite and Narsarsukite chemical formula.
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
- Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
Apophyllite and Narsarsukite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apophyllite and Narsarsukite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Narsarsukite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 2.72-2.83 whereas that of Narsarsukite is 2.72-2.83.