Properties of Andesite and Porphyry

Andesite

Porphyry

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

76-7

1 7

1.1.2 Grain Size

Very fine-grained

Fine Grained

1.1.3 Fracture

Uneven

Irregular

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Vitreous

Dull

1.1.7 Compressive Strength

225.00 N/mm²NA

0.15 450

1.1.8 Cleavage

Not Available

Imperfect

1.1.9 Toughness

1.1

1.7

1.1.10 Specific Gravity

2.5-2.82.5-4

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

2.11-2.36 g/cm³2.5-2.52 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

2.39 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Heat Resistant, Pressure Resistant, Wear Resistant

Heat Resistant, Impact Resistant

Andesite vs Porphyry Properties

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