Properties of Obsidian and Granulite
Properties
Physical Properties
Hardness
5-5.5
6-7
Grain Size
Not Applicable
Medium to Coarse Grained
Fracture
Conchoidal
Not Available
Streak
White
White
Porosity
Very Less Porous
Very Less Porous
Luster
Vitreous
Vitreous
Compressive Strength
0.15 N/mm2
33
175.00 N/mm2
13
Cleavage
Non-Existent
Imperfect
Toughness
Not Available
Not Available
Specific Gravity
2.6-2.7
2.8-3.0
Transparency
Translucent
Opaque
Density
2.6 g/cm3
3.06-3.33 g/cm3
Thermal Properties
Specific Heat Capacity
0.92 kJ/Kg K
10
0.14 kJ/Kg K
26
Resistance
Heat Resistant, Impact Resistant
Heat Resistant, Wear Resistant
Obsidian vs Granulite Properties
Properties of Obsidian and Granulite play an important role in determining the type of rock. Along with Obsidian vs Granulite properties, get to know more about Obsidian Definition and Granulite 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 Granulite.
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