Properties of Obsidian and Migmatite

Obsidian

Migmatite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

5-5.55.5-6.5

1 7

1.1.2 Grain Size

Not Applicable

Medium to Fine Coarse Grained

1.1.3 Fracture

Conchoidal

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Very Less Porous

1.1.6 Luster

Vitreous

Dull to Pearly to Subvitreous

1.1.7 Compressive Strength

0.15 N/mm²NA

0.15 450

1.1.8 Cleavage

Non-Existent

Poor

1.1.9 Toughness

Not Available

1.2

1.1.10 Specific Gravity

2.6-2.72.65-2.75

0 8.4

1.1.11 Transparency

Translucent

Opaque

1.1.12 Density

2.6 g/cm³Not Available

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, Pressure Resistant

Obsidian vs Migmatite Properties

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