Properties of Quartzite and Obsidian

Quartzite

Obsidian

Properties of Obsidian and Quartzite

Properties

Physical Properties

Hardness

6-7

5-5.5

Grain Size

Medium Grained

Not Applicable

Fracture

Uneven, Splintery or Conchoidal

Conchoidal

Streak

White

Porosity

Less Porous

Very Less Porous

Luster

Vitreous

Compressive Strength

115.00 N/mm²

0.15 N/mm²

Cleavage

Indiscernible

Non-Existent

Toughness

1.9

Not Available

Specific Gravity

2.6-2.8

2.6-2.7

Transparency

Transparent to Translucent

Translucent

Density

2.32-2.42 g/cm³

2.6 g/cm³

Thermal Properties

Specific Heat Capacity

0.75 kJ/Kg K

0.92 kJ/Kg K

Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Reserves >>

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Quartzite vs Obsidian Properties

Properties of Quartzite and Obsidian play an important role in determining the type of rock. Along with Quartzite vs Obsidian properties, get to know more about Quartzite Definition and Obsidian 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 Quartzite and Obsidian.