Hurlbutite and Chlorite group Physical Properties
Tenacity
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Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90
  
2.6-3.3
  
Fracture
ConchoidalAnthony et al, Handbook of mineralogy (2001), ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
  
Lamellar
  
Cleavage
None
  
Perfect 001
  
Mohs Hardness
6
  
2-2.5
  
Chemical Composition
CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Not Available
  
Hurlbutite and Chlorite group Chemical Formula
While comparing Hurlbutite and Chlorite group 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 Hurlbutite and Chlorite group chemical formula.
- Chemical formula of Hurlbutite- CaBe 2(PO 4) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
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Hurlbutite and Chlorite group Specific Gravity
Another important criteria for qualitative analysis of gemstones is Hurlbutite and Chlorite group Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hurlbutite and Chlorite group Optical Properties during the identification of gemstone. Specific gravity of Hurlbutite is 2.6-3.3 whereas that of Chlorite group is 2.6-3.3.