Properties of Obsidian and Diabase

Obsidian

Diabase

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.57

1 7

1.1.2 Grain Size

Not Applicable

Fine to Medium Grained

1.1.3 Fracture

Conchoidal

1.1.4 Streak

White

Black

1.1.5 Porosity

Very Less Porous

Highly Porous

1.1.6 Luster

Vitreous

Not Available

1.1.7 Compressive Strength

0.15 N/mm²225.00 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Not Available

1.1.9 Toughness

Not Available

1.6

1.1.10 Specific Gravity

2.6-2.72.86-2.87

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.6 g/cm³2.7-3.3 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Obsidian vs Diabase Properties

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