Properties of Pumice and Pseudotachylite

Pumice

Pseudotachylite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1 7

1.1.2 Grain Size

Fine Grained

Very fine-grained

1.1.3 Fracture

Planar

Uneven

1.1.4 Streak

White, Greenish White or Grey

Light to dark brown

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Earthy

Vitreous

1.1.7 Compressive Strength

51.20 N/mm²60.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Irregular

1.1.9 Toughness

Not Available

1.1.10 Specific Gravity

2.862.46-2.86

0 8.4

1.1.11 Transparency

Opaque

Transparent to Translucent

1.1.12 Density

0.25-0.3 g/cm³2.7-2.9 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.87 kJ/Kg K0.92 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Impact Resistant, Pressure Resistant

Heat Resistant

Pumice vs Pseudotachylite Properties

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