Langbeinite and Chlorastrolite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Slowly dissolves in water
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
3.1-3.5
  
Fracture
Conchoidal, Brittle
  
Granular
  
Cleavage
None
  
Not Available
  
Mohs Hardness
3.5-4
  
5-6
  
Chemical Composition
Not Available
  
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
  
Langbeinite and Chlorastrolite Chemical Formula
While comparing Langbeinite and Chlorastrolite 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 Langbeinite and Chlorastrolite chemical formula.
>- Chemical formula of Chlorastrolite- Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)
Langbeinite and Chlorastrolite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Langbeinite and Chlorastrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Chlorastrolite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 3.1-3.5 whereas that of Chlorastrolite is 3.1-3.5.