Properties of Quartzite and Obsidian

Quartzite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-75-5.5

1 7

1.1.2 Grain Size

Medium Grained

Not Applicable

1.1.3 Fracture

Uneven, Splintery or Conchoidal

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

Very Less Porous

1.1.6 Luster

Vitreous

1.1.7 Compressive Strength

115.00 N/mm²0.15 N/mm²

0.15 450

1.1.8 Cleavage

Indiscernible

Non-Existent

1.1.9 Toughness

1.9

Not Available

1.1.10 Specific Gravity

2.6-2.82.6-2.7

0 8.4

1.1.11 Transparency

Transparent to Translucent

Translucent

1.1.12 Density

2.32-2.42 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.75 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

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.