Properties of Porphyry and Andesite

Porphyry

Andesite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

6-77

1 7

1.1.2 Grain Size

Fine Grained

Very fine-grained

1.1.3 Fracture

Irregular

Uneven

1.1.4 Streak

White

1.1.5 Porosity

Less Porous

1.1.6 Luster

Dull

Vitreous

1.1.7 Compressive Strength

NA225.00 N/mm²

0.15 450

1.1.8 Cleavage

Imperfect

Not Available

1.1.9 Toughness

1.7

1.1

1.1.10 Specific Gravity

2.5-42.5-2.8

0 8.4

1.1.11 Transparency

Translucent to Opaque

Opaque

1.1.12 Density

2.5-2.52 g/cm³2.11-2.36 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

NA2.39 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Porphyry vs Andesite Properties

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