Properties of Pumice and Slate

Pumice

Slate

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1 Properties

1.1 Physical Properties

1.1.1 Hardness

63-4

1 7

1.1.2 Grain Size

Fine Grained

Very fine-grained

1.1.3 Fracture

Planar

Splintery

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

Dull

1.1.7 Compressive Strength

51.20 N/mm²30.00 N/mm²

0.15 450

1.1.8 Cleavage

Perfect

Slaty

1.1.9 Toughness

1.2

1.1.10 Specific Gravity

2.862.65-2.8

0 8.4

1.1.11 Transparency

Opaque

1.1.12 Density

0.25-0.3 g/cm³2.6-2.8 g/cm³

0 1400

1.2 Thermal Properties

1.2.1 Specific Heat Capacity

0.87 kJ/Kg K0.76 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 Slate Properties

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