Amber and Neptunite Physical Properties
Tenacity
Not Available
  
Brittle
  
Solubility
Soluble
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
1.05-1.10
  
3.19-3.23
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
  
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
  
Cleavage
None
  
{110} good
  
Mohs Hardness
2-2.5
  
5-6
  
Chemical Composition
[C,H,O]
  
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Amber and Neptunite Chemical Formula
While comparing Amber and Neptunite 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 Amber and Neptunite chemical formula.
- Chemical formula of Amber- [C,H,O]
- Chemical formula of Neptunite- KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)
Amber and Neptunite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amber and Neptunite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amber and Neptunite Optical Properties during the identification of gemstone. Specific gravity of Amber is 3.19-3.23 whereas that of Neptunite is 3.19-3.23.
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