Properties of Porphyry and Pseudotachylite

Porphyry

Pseudotachylite

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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

Light to dark brown

1.1.5 Porosity

Less Porous

1.1.7 Luster

Dull

Vitreous

1.1.8 Compressive Strength

NA60.00 N/mm²

0.15 450

1.1.13 Cleavage

Imperfect

Irregular

1.1.14 Toughness

1.7

Not Available

1.1.15 Specific Gravity

2.5-42.46-2.86

0 8.4

1.2.2 Transparency

Translucent to Opaque

Transparent to Translucent

1.2.3 Density

2.5-2.52 g/cm³2.7-2.9 g/cm³

0 1400

1.3 Thermal Properties

1.3.1 Specific Heat Capacity

NA0.92 kJ/Kg K

0.14 3.2

2.3.2 Resistance

Heat Resistant, Impact Resistant

Heat Resistant

Porphyry vs Pseudotachylite Properties

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