Apophyllite and Piemontite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30-2.50
  
Not Available
  
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Uneven, Splintery
  
Cleavage
Perfect on (001)
  
[001] good, [100] distinct
  
Mohs Hardness
4.5-5
  
6-6.5
  
Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  
Not Available
  
Apophyllite and Piemontite Chemical Formula
While comparing Apophyllite and Piemontite 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 Piemontite chemical formula.
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
>
Apophyllite and Piemontite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apophyllite and Piemontite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Piemontite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is Not Available whereas that of Piemontite is Not Available.