Properties of Pumice and Flint

Pumice

Flint

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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

Conchoidal

1.1.4 Streak

White, Greenish White or Grey

White

1.1.5 Porosity

Highly Porous

1.1.6 Luster

Earthy

Vitreous

1.1.7 Compressive Strength

51.20 N/mm²450.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Non-Existent

1.1.9 Toughness

1.5

1.1.10 Specific Gravity

2.862.5-2.8

0 8.4

1.1.11 Transparency

Opaque

Translucent to Opaque

1.1.12 Density

0.25-0.3 g/cm³2.7-2.71 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.87 kJ/Kg K0.74 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Pumice vs Flint Properties

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