Properties of Obsidian and Skarn

Obsidian

Skarn

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.56.5

1 7

1.1.2 Grain Size

Not Applicable

Fine Grained

1.1.3 Fracture

Conchoidal

Irregular

1.1.4 Streak

White

Light to dark brown

1.1.5 Porosity

Very Less Porous

Less Porous

1.1.6 Luster

Vitreous

Waxy and Dull

1.1.7 Compressive Strength

0.15 N/mm²NA

0.15 450

1.1.8 Cleavage

Non-Existent

Slaty

1.1.9 Toughness

Not Available

2.4

1.1.10 Specific Gravity

2.6-2.72.86

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.6 g/cm³2.8-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.92 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant

Obsidian vs Skarn Properties

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