Apophyllite and Plumbogummite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.30-2.50
  
4.014
  
Fracture
Uneven, UnevenArthur Thomas, Gemstones (2009)
  
Uneven, Conchoidal
  
Cleavage
Perfect on (001)
  
None
  
Mohs Hardness
4.5-5
  
4-5
  
Chemical Composition
KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
  
Not Available
  
Apophyllite and Plumbogummite Chemical Formula
While comparing Apophyllite 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 Apophyllite and Plumbogummite chemical formula.
- Chemical formula of Apophyllite- KCa 4Si 8O 20(F,OH) · 8H 2OUlrich Henn and Claudio C.
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Apophyllite and Plumbogummite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Apophyllite and Plumbogummite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Apophyllite and Plumbogummite Optical Properties during the identification of gemstone. Specific gravity of Apophyllite is 4.014 whereas that of Plumbogummite is 4.014.