Scheelite and Sylvite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Soluble
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.9-6.3
  
1.993
  
Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Uneven
  
Uneven, Brittle
  
Cleavage
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
  
Perfect on [100], [010], [001]
  
Mohs Hardness
4.5-5
  
2.5
  
Chemical Composition
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
  
Not Available
  
Scheelite and Sylvite Chemical Formula
While comparing Scheelite and Sylvite 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 Scheelite and Sylvite chemical formula.
- Chemical formula of Scheelite- CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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Scheelite and Sylvite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Scheelite and Sylvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scheelite and Sylvite Optical Properties during the identification of gemstone. Specific gravity of Scheelite is 1.993 whereas that of Sylvite is 1.993.