Beryllonite and Jeremejevite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.79-2.87
  
3.28-3.31
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
  
Cleavage
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
  
None observed
  
Mohs Hardness
5.5-6
  
6.5-7.5
  
Chemical Composition
NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
  
Beryllonite and Jeremejevite Chemical Formula
While comparing Beryllonite and Jeremejevite 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 Beryllonite and Jeremejevite chemical formula.
- Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.
Beryllonite and Jeremejevite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Beryllonite and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.