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Basalt
Basalt

Hornfels
Hornfels



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Basalt
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Hornfels
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Properties

Hardness

Grain Size

Fracture

Streak

Porosity

Luster

Compressive Strength

Cleavage

Toughness

Specific Gravity

Transparency

Density

Specific Heat Capacity

Resistance

 
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
 
2-3
Fine Grained
Conchoidal
-
Highly Porous
Shiny
5.80 N/mm2
Perfect
-
3.4-3.9
Opaque
0.25-0.30 g/cm3
0.84 kJ/Kg K
Heat Resistant, Impact Resistant, Pressure Resistant