Starlite and Phlogopite Physical Properties
Tenacity
Not Available
  
Tough
  
Solubility
Not Available
  
Not Available
  
Durability
Not Available
  
Not Available
  
Specific Gravity
3.91-4.73
  
2.78-2.85
  
Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
  
None, Uneven
  
Cleavage
Not Available
  
Perfect basal (001)
  
Mohs Hardness
6.5-7.5
  
2-2.5
  
Chemical Composition
ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
  
Not Available
  
Starlite and Phlogopite Chemical Formula
While comparing Starlite and Phlogopite 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 Starlite and Phlogopite chemical formula.
- Chemical formula of Starlite- ZrSiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
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Starlite and Phlogopite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Starlite and Phlogopite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Starlite and Phlogopite Optical Properties during the identification of gemstone. Specific gravity of Starlite is 2.78-2.85 whereas that of Phlogopite is 2.78-2.85.