Properties of Tephrite and Novaculite
Physical Properties
  
  
Hardness
6.5
  
7
  
Grain Size
Medium to Fine Coarse Grained
  
Fine Grained
  
Fracture
Uneven
  
Conchoidal
  
Streak
Bluish Black
  
Colorless
  
Porosity
Very Less Porous
  
Less Porous
  
Luster
Subvitreous to Dull
  
Waxy and Dull
  
Compressive Strength
90.00 N/mm2
  
22
450.00 N/mm2
  
1
Cleavage
Crenulation and Pervasive
  
Non-Existent
  
Toughness
2.4
  
1.5
  
Specific Gravity
2.86
  
2.5-2.7
  
Transparency
Opaque
  
Translucent to Opaque
  
Density
2.8-2.9 g/cm3
  
2.7 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
0.92 kJ/Kg K
  
10
0.74 kJ/Kg K
  
19
Resistance
Heat Resistant, Impact Resistant
  
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
  
Tephrite vs Novaculite Properties
Properties of Tephrite and Novaculite play an important role in determining the type of rock. Along with Tephrite vs Novaculite properties, get to know more about Tephrite Definition and Novaculite 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 Tephrite and Novaculite.