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Properties of Obsidian and Nephelinite


Properties of Nephelinite and Obsidian


Properties

Physical Properties
  
  

Hardness
5-5.5   
6.5   

Grain Size
Not Applicable   
Fine Grained   

Fracture
Conchoidal   
Flat   

Streak
White   
White   

Porosity
Very Less Porous   
Less Porous   

Luster
Vitreous   
Vitreous to Metallic   

Compressive Strength
0.15 N/mm2   
33
35.00 N/mm2   
29

Cleavage
Non-Existent   
Imperfect   

Toughness
Not Available   
2.7   

Specific Gravity
2.6-2.7   
2.4-2.9   

Transparency
Translucent   
Opaque   

Density
2.6 g/cm3   
2.5-3 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
0.92 kJ/Kg K   
10
0.88 kJ/Kg K   
13

Resistance
Heat Resistant, Impact Resistant   
Heat Resistant   

Reserves >>
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Obsidian vs Nephelinite Properties

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

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