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Properties of Siltstone and Obsidian


Properties of Obsidian and Siltstone


Properties

Physical Properties
  
  

Hardness
6-7   
5-5.5   

Grain Size
Fine Grained   
Not Applicable   

Fracture
Conchoidal   
Conchoidal   

Streak
White   
White   

Porosity
Highly Porous   
Very Less Porous   

Luster
Dull   
Vitreous   

Compressive Strength
Not Available   
0.15 N/mm2   
33

Cleavage
Not Available   
Non-Existent   

Toughness
2.6   
Not Available   

Specific Gravity
2.54-2.73   
2.6-2.7   

Transparency
Opaque   
Translucent   

Density
2.6-2.7 g/cm3   
2.6 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.92 kJ/Kg K   
10

Resistance
Heat Resistant, Impact Resistant, Pressure Resistant, Water Resistant   
Heat Resistant, Impact Resistant   

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Siltstone vs Obsidian Properties

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

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