Properties of Pumice and Variolite

Pumice

Variolite

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

1 7

1.1.2 Grain Size

Fine Grained

Not Applicable

1.1.3 Fracture

Planar

Conchoidal

1.1.4 Streak

White, Greenish White or Grey

White to Grey

1.1.5 Porosity

Highly Porous

Less Porous

1.1.6 Luster

Earthy

Not Available

1.1.7 Compressive Strength

51.20 N/mm²37.50 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Not Available

1.1.9 Toughness

2.3

1.1.10 Specific Gravity

2.862.8-3

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

0.25-0.3 g/cm³2.9-3.1 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.87 kJ/Kg K0.84 kJ/Kg K

0.14 3.2

1.2.2 Resistance

Impact Resistant, Pressure Resistant

Heat Resistant, Pressure Resistant, Wear Resistant

Pumice vs Variolite Properties

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