Properties of Obsidian and Quartzite
Physical Properties
  
  
Hardness
5-5.5
  
6-7
  
Grain Size
Not Applicable
  
Medium Grained
  
Fracture
Conchoidal
  
Uneven, Splintery or Conchoidal
  
Streak
White
  
White
  
Porosity
Very Less Porous
  
Less Porous
  
Luster
Vitreous
  
Vitreous
  
Compressive Strength
115.00 N/mm2
  
18
Cleavage
Non-Existent
  
Indiscernible
  
Toughness
Not Available
  
1.9
  
Specific Gravity
2.6-2.7
  
2.6-2.8
  
Transparency
Translucent
  
Transparent to Translucent
  
Density
2.6 g/cm3
  
2.32-2.42 g/cm3
  
Thermal Properties
  
  
Specific Heat Capacity
0.92 kJ/Kg K
  
10
0.75 kJ/Kg K
  
18
Resistance
Heat Resistant, Impact Resistant
  
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant
  
Obsidian vs Quartzite Properties
Properties of Obsidian and Quartzite play an important role in determining the type of rock. Along with Obsidian vs Quartzite properties, get to know more about Obsidian Definition and Quartzite 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 Obsidian and Quartzite.