Properties of Pumice and Scoria

Pumice

Scoria

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

65-6

1 7

1.1.2 Grain Size

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

Subvitreous to Dull

1.1.7 Compressive Strength

51.20 N/mm²NA

0.15 450

1.1.8 Cleavage

Perfect

1.1.9 Toughness

2.1

1.1.10 Specific Gravity

2.86Not Available

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

0.25-0.3 g/cm³Not Available

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.87 kJ/Kg KNA

0.14 3.2

1.2.2 Resistance

Impact Resistant, Pressure Resistant

Heat Resistant, Impact Resistant, Pressure Resistant, Wear Resistant

Pumice vs Scoria Properties

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