Properties of Greywacke and Nepheline Syenite
Physical Properties
  
  
Hardness
6-7
  
5.5-6
  
Grain Size
Angular and Fine
  
Fine Grained
  
Fracture
Conchoidal
  
Conchoidal to Uneven
  
Streak
White
  
White
  
Porosity
Highly Porous
  
Less Porous
  
Luster
Dull
  
Greasy to Dull
  
Compressive Strength
Not Available
  
150.00 N/mm
2
  
14
Cleavage
Perfect
  
Poor
  
Toughness
2.6
  
Not Available
  
Specific Gravity
2.2-2.8
  
2.6
  
Transparency
Opaque
  
Translucent to Opaque
  
Density
2.6-2.61 g/cm3
  
2.6 g/cm3
  
Thermal Properties
  
  
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
  
Heat Resistant, Impact Resistant, Wear Resistant
  
Greywacke vs Nepheline Syenite Properties
Properties of Greywacke and Nepheline Syenite play an important role in determining the type of rock. Along with Greywacke vs Nepheline Syenite properties, get to know more about Greywacke 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 Greywacke and Nepheline Syenite.