Properties of Porphyry and Shale

Porphyry

Shale

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-73

1 7

1.1.2 Grain Size

Fine Grained

Very fine-grained

1.1.3 Fracture

Irregular

Not Available

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

Highly Porous

1.1.6 Luster

Dull

1.1.7 Compressive Strength

NA95.00 N/mm²

0.15 450

1.1.8 Cleavage

Imperfect

Slaty

1.1.9 Toughness

1.7

2.6

1.1.10 Specific Gravity

2.5-42.2-2.8

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.5-2.52 g/cm³2.4-2.8 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA0.39 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Porphyry vs Shale Properties

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