Properties of Obsidian and Quartzite

Obsidian

Quartzite

Properties of Quartzite and Obsidian

Properties

Physical Properties

Hardness

5-5.5

6-7

Grain Size

Not Applicable

Medium Grained

Fracture

Conchoidal

Uneven, Splintery or Conchoidal

Streak

White

Porosity

Very Less Porous

Less Porous

Luster

Vitreous

Compressive Strength

0.15 N/mm²

115.00 N/mm²

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

0.75 kJ/Kg K

Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Reserves >>

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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.