Properties of Obsidian and Ignimbrite

Obsidian

Ignimbrite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.54-6

1 7

1.1.2 Grain Size

Not Applicable

Fine Grained

1.1.3 Fracture

Conchoidal

Uneven

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

Highly Porous

1.1.6 Luster

Vitreous

Vitreous to Dull

1.1.7 Compressive Strength

0.15 N/mm²243.80 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Not Available

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.6-2.72.73

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.6 g/cm³1-1.8 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.20 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 Ignimbrite Properties

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