Properties of Andesite and Obsidian

Andesite

Obsidian

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

75-5.5

1 7

1.1.2 Grain Size

Very fine-grained

Not Applicable

1.1.3 Fracture

Uneven

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

225.00 N/mm²0.15 N/mm²

0.15 450

1.1.8 Cleavage

Not Available

Non-Existent

1.1.9 Toughness

1.1

Not Available

1.1.10 Specific Gravity

2.5-2.82.6-2.7

0 8.4

1.1.11 Transparency

Opaque

Translucent

1.1.12 Density

2.11-2.36 g/cm³2.6 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

2.39 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Andesite vs Obsidian Properties

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