Properties of Obsidian and Migmatite
Properties
Physical Properties
Hardness
5-5.5
5.5-6.5
Grain Size
Not Applicable
Medium to Fine Coarse Grained
Fracture
Conchoidal
Irregular
Streak
White
White
Porosity
Very Less Porous
Very Less Porous
Luster
Vitreous
Dull to Pearly to Subvitreous
Compressive Strength
0.15 N/mm2
33
Not Available
Cleavage
Non-Existent
Poor
Toughness
Not Available
1.2
Specific Gravity
2.6-2.7
2.65-2.75
Transparency
Translucent
Opaque
Density
2.6 g/cm3
Not Available
Thermal Properties
Specific Heat Capacity
0.92 kJ/Kg K
10
Not Available
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.
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