Beryllonite and Sulfur Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Not Available
  
insoluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.79-2.87
  
Not Available
  
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
  
(e.g. graphite).
  
Cleavage
{010} perfect; {100} good, interrupted; {101} indistinct; {001} in traces
  
{???} Imperfect, {???} Imperfect
  
Mohs Hardness
5.5-6
  
Not Available
  
Chemical Composition
NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Beryllonite and Sulfur Chemical Formula
While comparing Beryllonite and Sulfur 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 Sulfur chemical formula.
- Chemical formula of Beryllonite- NaBePO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Beryllonite and Sulfur Specific Gravity
Another important criteria for qualitative analysis of gemstones is Beryllonite and Sulfur Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Beryllonite and Sulfur Optical Properties during the identification of gemstone. Specific gravity of Beryllonite is Not Available whereas that of Sulfur is Not Available.