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Porphyry
Porphyry

Gabbro
Gabbro



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1 Properties
1.1 Physical Properties
1.1.1 Hardness
6-77
Coal
1 7
1.2.2 Grain Size
Fine Grained
Coarse Grained
1.2.4 Fracture
Irregular
Conchoidal
1.3.1 Streak
White
Black
1.4.1 Porosity
Less Porous
Highly Porous
1.5.2 Luster
Dull
Not Available
1.6.1 Compressive Strength
NA225.00 N/mm2
Properties of Obsidian
0.15 450
6.1.2 Cleavage
Imperfect
Not Available
6.1.3 Toughness
1.7
1.6
6.1.4 Specific Gravity
2.5-42.86-2.87
Granite
0 8.4
6.1.10 Transparency
Translucent to Opaque
Opaque
6.1.12 Density
2.5-2.52 g/cm32.7-3.3 g/cm3
Granite
0 1400
6.2 Thermal Properties
6.2.1 Specific Heat Capacity
NANA
Properties of Granulite
0.14 3.2
6.2.5 Resistance
Heat Resistant, Impact Resistant
Impact Resistant, Pressure Resistant, Wear Resistant