Langbeinite and Moissanite Physical Properties
Tenacity
Brittle
  
Not Available
  
Solubility
Slowly dissolves in water
  
none
  
Durability
Not Available
  
Not Available
  
Specific Gravity
Not Available
  
3.17-3.24
  
Fracture
Conchoidal, Brittle
  
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
  
Cleavage
None
  
(0001) indistinct
  
Mohs Hardness
3.5-4
  
9-9.5
  
Chemical Composition
Not Available
  
SiCArthur Thomas , Gemstones (2009)
  
Langbeinite and Moissanite Chemical Formula
While comparing Langbeinite and Moissanite 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 Moissanite chemical formula.
>- Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)
Langbeinite and Moissanite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Langbeinite and Moissanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Langbeinite and Moissanite Optical Properties during the identification of gemstone. Specific gravity of Langbeinite is 3.17-3.24 whereas that of Moissanite is 3.17-3.24.