Properties of Argillite and Obsidian

Argillite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

2-35-5.5

1 7

1.1.2 Grain Size

Fine Grained

Not Applicable

1.1.3 Fracture

Conchoidal to Uneven

Conchoidal

1.1.4 Streak

White to Grey

White

1.1.5 Porosity

Highly Porous

Very Less Porous

1.1.6 Luster

Waxy and Dull

Vitreous

1.1.7 Compressive Strength

NA0.15 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

2.56-2.682.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.54-2.66 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.87 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Argillite vs Obsidian Properties

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