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Properties of Greywacke and Siltstone


Properties

Physical Properties
  
  

Hardness
6-7   
6-7   

Grain Size
Fine Grained   
Angular and Fine   

Fracture
Conchoidal   
Conchoidal   

Streak
White   
White   

Porosity
Highly Porous   
Highly Porous   

Luster
Dull   
Dull   

Cleavage
Not Available   
Perfect   

Toughness
2.6   
2.6   

Specific Gravity
2.54-2.73   
2.2-2.8   

Transparency
Opaque   
Opaque   

Density
2.6-2.7 g/cm3   
2.6-2.61 g/cm3   

Thermal Properties
  
  

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

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