Properties of Chalk and Pumice

Chalk

Pumice

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1 7

1.1.2 Grain Size

Very fine-grained

Fine Grained

1.1.3 Fracture

Not Available

Planar

1.1.4 Streak

White

White, Greenish White or Grey

1.1.5 Porosity

Highly Porous

1.1.6 Luster

Dull

Earthy

1.1.7 Compressive Strength

NA51.20 N/mm²

0.15 450

1.1.8 Cleavage

Non-Existent

Perfect

1.1.9 Toughness

1.1.10 Specific Gravity

2.3-2.42.86

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

2.49-2.50 g/cm³0.25-0.3 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.90 kJ/Kg K0.87 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Heat Resistant

Impact Resistant, Pressure Resistant

Chalk vs Pumice Properties

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