Properties of Pegmatite and Nepheline Syenite
Physical Properties
  
  
Hardness
7
  
5.5-6
  
Grain Size
Medium to Coarse Grained
  
Fine Grained
  
Fracture
Conchoidal
  
Conchoidal to Uneven
  
Streak
White
  
White
  
Porosity
Less Porous
  
Less Porous
  
Luster
Grainy, Pearly and Vitreous
  
Greasy to Dull
  
Compressive Strength
178.54 N/mm2
  
12
150.00 N/mm2
  
14
Cleavage
Perfect
  
Poor
  
Toughness
2.1
  
Not Available
  
Specific Gravity
2.6-2.63
  
2.6
  
Transparency
Translucent to Opaque
  
Translucent to Opaque
  
Density
2.6-2.65 g/cm3
  
2.6 g/cm3
  
Thermal Properties
  
  
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
  
Heat Resistant, Impact Resistant, Wear Resistant
  
Pegmatite vs Nepheline Syenite Properties
Properties of Pegmatite and Nepheline Syenite play an important role in determining the type of rock. Along with Pegmatite vs Nepheline Syenite properties, get to know more about Pegmatite Definition and Nepheline Syenite Definition. For the ease of understanding, the properties of rocks are divided into physical and thermal properties. Rocks have a variety of properties like hardness, color, specific gravity, fracture, cleavage, luster etc. Know all about physical and thermal properties of Pegmatite and Nepheline Syenite.