Properties of Obsidian and Quartzite

Obsidian

Quartzite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.56-7

1 7

1.1.2 Grain Size

Not Applicable

Medium Grained

1.1.3 Fracture

Conchoidal

Uneven, Splintery or Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Vitreous

1.1.7 Compressive Strength

0.15 N/mm²115.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Indiscernible

1.1.9 Toughness

Not Available

1.9

1.1.10 Specific Gravity

2.6-2.72.6-2.8

0 8.4

1.1.11 Transparency

Translucent

Transparent to Translucent

1.1.12 Density

2.6 g/cm³2.32-2.42 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.75 kJ/Kg K

0.14 3.2

1.2.2 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.