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Properties of Gneiss and Dacite


Properties of Dacite and Gneiss


Properties

Physical Properties
  
  

Hardness
7   
2-2.25   

Grain Size
Medium to Coarse Grained   
Medium to Fine Coarse Grained   

Fracture
Irregular   
Conchoidal   

Streak
White   
White   

Porosity
Very Less Porous   
Less Porous   

Luster
Dull   
Subvitreous to Dull   

Compressive Strength
125.00 N/mm2   
17
Not Available   

Cleavage
Poor   
Perfect   

Toughness
1.2   
Not Available   

Specific Gravity
2.5-2.7   
2.86-2.87   

Transparency
Translucent to Opaque   
Translucent   

Density
2.6-2.9 g/cm3   
2.77-2.771 g/cm3   

Thermal Properties
  
  

Specific Heat Capacity
Not Available   
0.92 kJ/Kg K   
10

Resistance
Heat Resistant, Pressure Resistant, Scratch Resistant, Wear Resistant   
Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant   

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Gneiss vs Dacite Properties

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

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