Properties of Pegmatite and Nephelinite
Physical Properties
  
  
Hardness
7
  
6.5
  
Grain Size
Medium to Coarse Grained
  
Fine Grained
  
Fracture
Conchoidal
  
Flat
  
Streak
White
  
White
  
Porosity
Less Porous
  
Less Porous
  
Luster
Grainy, Pearly and Vitreous
  
Vitreous to Metallic
  
Compressive Strength
178.54 N/mm2
  
12
35.00 N/mm2
  
29
Cleavage
Perfect
  
Imperfect
  
Toughness
2.1
  
2.7
  
Specific Gravity
2.6-2.63
  
2.4-2.9
  
Transparency
Translucent to Opaque
  
Opaque
  
Density
2.6-2.65 g/cm3
  
2.5-3 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
Not Available
  
0.88 kJ/Kg K
  
13
Resistance
Heat Resistant, Impact Resistant, Pressure Resistant
  
Heat Resistant
  
Pegmatite vs Nephelinite Properties
Properties of Pegmatite and Nephelinite play an important role in determining the type of rock. Along with Pegmatite vs Nephelinite properties, get to know more about Pegmatite Definition and Nephelinite 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 Nephelinite.