Datolite and Hexagonite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
2.90-3.00
  
2.98-3.03
  
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic
  
Uneven
  
Cleavage
None
  
[110] perfect; [010] distinct
  
Mohs Hardness
5-5.5
  
5-6
  
Chemical Composition
CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
  
Datolite and Hexagonite Chemical Formula
While comparing Datolite and Hexagonite 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 Datolite and Hexagonite chemical formula.
- Chemical formula of Datolite- CaBSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Hexagonite- Ca 2Mg 5Si 8O 22(OH) 2Ulrich Henn and Claudio C.
Datolite and Hexagonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Datolite and Hexagonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Datolite and Hexagonite Optical Properties during the identification of gemstone. Specific gravity of Datolite is 2.98-3.03 whereas that of Hexagonite is 2.98-3.03.