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Obsidian
Obsidian

Basalt
Basalt



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Obsidian
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Basalt

Properties of Obsidian and Basalt

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Properties

Hardness

Grain Size

Fracture

Streak

Porosity

Luster

Compressive Strength

Cleavage

Toughness

Specific Gravity

Transparency

Density

Specific Heat Capacity

Resistance

 
5-5.5
-
Conchoidal
White
Very Less Porous
Vitreous
0.15 N/mm2
-
-
2.6-2.7
Translucent
2.6 g/cm3
0.92 kJ/Kg K
Heat Resistant, Impact Resistant
 
6
Fine Grained
Conchoidal
White to Grey
Less Porous
-
37.40 N/mm2
-
2.3
2.8-3
Opaque
2.9-3.1 g/cm3
0.84 kJ/Kg K
Heat Resistant, Pressure Resistant, Wear Resistant

Obsidian vs Basalt Properties

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