Properties of Shale and Obsidian

Shale

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

35-5.5

1 7

1.1.2 Grain Size

Very fine-grained

Not Applicable

1.1.3 Fracture

Not Available

Conchoidal

1.1.4 Streak

White

1.1.5 Porosity

Highly Porous

Very Less Porous

1.1.6 Luster

Dull

Vitreous

1.1.7 Compressive Strength

95.00 N/mm²0.15 N/mm²

0.15 450

1.1.8 Cleavage

Slaty

Non-Existent

1.1.9 Toughness

2.6

Not Available

1.1.10 Specific Gravity

2.2-2.82.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.4-2.8 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.39 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Shale vs Obsidian Properties

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